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  1. 16 points
    Finally after all these years almost 20 years sat on a drive way. it will now live on. One of my all time favourite cars that I've chased for years is finally coming home with me. I'm made up.
  2. 14 points
    Dear All, I hope that you are all keeping well and enjoying your wonderful cars, in whatever capacity. This is a little update for you on things here at the moment: 1) Our Son reached the end of his Section 2 last Saturday and we were able to bring him back home with us after a scheduled visit. At that time, he already seemed better than when he had been home previously for 2 weeks, which of course was great to see. He has now had a firm diagnosis of Bipolar, which is being medicated correctly and certainly this has contributed to his wellbeing. Naturally we are watching and listening very closely - especially after the nightmare we experienced a month ago, when he suffered his traumatic relapse. Its an anxious time for us all to be honest, but the signs are positive and therefore we are keen to reinforce this whenever and wherever we can. 2) Our Daughter is heavily pregnant and her due date was yesterday - so we are standing by our phones waiting for news on that. This will be our first Grandchild, which will bring some much needed cheer to the family. We already know its a Girl by the way, so we are looking forward to having a cuddle with her soon. 3) Some more bad news though... Our Daughters partners Mum has been taken to hospital this morning. When we spoke to her last night it was clear that she 'didn't sound right'. With our recent 'experiences' with our Son, we kind of know the signs now and sure enough she is being taken to A&E herself for a mental assessment... You just never know whats just around the corner do you?! 4) I am pleased to report that I have had a couple of hours on the Cav over the last couple of weeks and: - overhauled and refitted a pair front brake calipers. You might recall that I struggled with getting the bleed nipples to seal ages ago. This has been playing on my mind ever since and when a used pair came up for sale, I knew I had to get the job done 100%, so bought them. Below are some photos. - This morning I have taken the passenger seat backrest front and back cover pieces to a local upholsterer for the final stitching together. I had tried twice with my table top sewing machine, but it just wasn't up to it. He said that it would only cost £10, so no brainer as they say! When I get that back next weekend I can fit the cover and put the passenger seat back together and fit in in the car. It will be nice to see one seat fitted and then I can start on the drivers side front. With everything that has happened over the last 3 months, I wont be as 'enthusiastic' with my car work as before, it has been proven that many things are more important I am afraid. I still love to tinker of course, but this whole period of our lives has brought things into sharp focus. Photos of the calipers: a) The old/original ones. b)The refurbished ones at various stages As everyone knows, Red calipers always stop the car better of course Take car everyone, it good to be kind of back - fingers crossed it stays that way.
  3. 14 points
    The hunting and high revs are now resolved by replacing the idle control valve and cleaning the pins in the mass air flow meter where the plug from the ECU connects in to it, so all good, while spannering In the garage last night the old girl was telling me she is fed up with nearly 21 years collecting dust and cobwebs and she now has the fire back in her belly and she’s raring to get back out on the road, 😜 I still need to strobe the timing and make small adjustments but the bulk of the teething problems hopefully are now resolved, she sounds pretty good now.
  4. 13 points
    Had a quick run into Fraserburgh tonight as it was a lovely evening again, I maybe left it a little too late for photos as it was getting dark, the scale of the boats up close is unbelievable,
  5. 13 points
    Straight pass and the mot guys loved it.many many thanks to all that have given advice,parts and support..
  6. 13 points
    Dear All, Happy New Year to you all. I am pleased to tell you all that this morning our Son had his section 2 cancelled by his Consultant and he has been allowed to leave hospital. The NHS have put in place a brilliant support network for him going forward, so with every passing day more and more 'normality' should return to all of our lives. Once again, sincere thanks to you all for your thoughts and prayers - we are very grateful for your unconditional support. Hopefully in a week or two I can get back into working on the old rust bucket again Ian x
  7. 13 points
    I’m on holiday at the moment and subsequently there is no progress on the Manta, feet up and relaxing, so I have been looking through my vast collection of photos and came up with comparisons, or as close as I could find, here are some before and after shots, before I got her home, sitting on a drive in Birmingham March 2016, sitting in Gray and Adams Fraserburgh after the final coat of paint early June 2019, The first night I got her home, April 2016, totally unaware of what I had just taken on 🤣 but absolutely delighted with her, my first ever Manta, Sitting in my garage July 2019 after the glass and trims were refitted, Again the first night I got her home April 2016 and before I started the restoration, she was only in the garage one night before I started taking her apart, Sitting in the garage July 2019 awaiting the work done on electrics and quad lights, shouldn’t be long now till complete, Sitting on a drive in Birmingham March 2016, Sitting in my garage, July 2019, still waiting on ECU wiring, engine commission and radiator filling up, again sitting on a drive in Birmingham March 2016, Sitting in my garage July 2019, Sitting on a drive in Birmingham, March 2016, Sitting in Hatton Garage on the 2 post ramp December 2018, you would never guess I’m keen to get home from holiday and start working on the electrics and engine!!! i like the comparison photos they really show progress.
  8. 13 points
    Thought I’d share a few pics of my latest mods on the old girl. Bought some brand new daytona check material and had the centres of a pair of leather Escort RS Turbo recaros retrimmed. So much comfier than the GM seats. This past weekend has been spent fitting my new air ride set up which I’m glad to say I’m very happy with. I was sick of being pissed off with my ride height so thought this was the only way to go😎 Has anyone else got air ride? If so I’d like to hear what you think of it...good or bad...
  9. 13 points
    Last mot was around 2 years ago amazing how time flys by Quick fluid check mini service checked the brakes whipped it to local testing station passed with no advisory’s 👍👍 finally got my genuine engelman mirrors and irmsher twins also changed bonnet never felt comfortable with the old 1 with the bonnet catches so put 1 with a metal frame so I could have a proper catch ( still needs a little adjustment and the sticker replacing same with the front air dam will sort that next weekend totally forgot the smiles per gallon 😃
  10. 12 points
    Went up to my local park tonight for some exercise, took the Manta out as it was a beautiful still evening, I'm quite happy with how the engine has settled in after the rebuild, I’m now 3 miles short of turning 60,000mls on the speedo, after I got home I thought it would be best to remove the bugs on the front instead of letting them dry on, white paint and bugs are not the best combination 😁
  11. 12 points
    Tip of the iceberg, loads done and I will try and get more pictures up. so the block is nearly done (starter motor I bought new isn't for a gte!) so the injectors have all been refurbished, all new quality fuel pipe and clips from Demon Tweeks as cheap ones are no good. Plenum has been media blasted and lacquered. Now all new and ready to roll
  12. 12 points
    Finally............my date for final spray was pushed on another week, what’s another week to wait in the grand scheme of things? But now for the final push. Monday 15th April the bodyshop starts work back on the Manta, Delivered the Manta to the paint shop first thing this morning, hopefully in a weeks time she will look completely different, doors, bonnet, boot, wings, skirts and bumpers fitted, dash and wiring loom back in, then hopefully the rest of the work will just fall into place quite quickly, don’t want to miss this summer months ahead!
  13. 11 points
    Well, its been a very, very long journey in the restoration of the A series! and finally today was they day when we hit the road for the first shakedown 🙂 Still a few little bits to iron out and a new battery to buy, but well happy with the way she drives. Time to sort out the free tax and MOT so we can get out and start doing some proper miles. I will get some better footage with sound next time but here a a few clips. http://theopelproject.com/wp-content/uploads/2020/05/Opel-Project.mp4 One good this to come out of this lock-down, happy days!! Andy
  14. 11 points
    Well it seems like my ideas worked out and I managed to get the 'big stitch' on the drivers seat done. There are still one or two little bits to finish off, but all things considered I think that it turned out OK. A bit of steam and a punch here and there and it will probably look pretty good.
  15. 11 points
    She’s here! - We are now officially Grandparents. She arrived at 18:58 this evening 👍👍
  16. 11 points
    It’s been a while. So I have most of the puzzle now sorted. I have a few last bits to get such as new brakes, pipes and other minor items and then the running gear is all done and ready to have the car lowered down onto it. Next is the engine the strip and fit all my new parts along with a freshen-up
  17. 11 points
    And finally back on the road!! She's back on the road at long last!!
  18. 11 points
    Hi, I have finally got my hands on a Manta, I had always dreamed of getting a white hatchback and here she is. Currently located at a friend's lock up. I hope to have her back on the road and at some shows for next summer. She is still MOT'ed but there are a couple of wee things I want to attend to. Rory
  19. 11 points
    We had a great weekend, some pics: The Missus made some pics with the handy, got to upload them... Herman
  20. 10 points
    This afternoon I wanted to experiment on a small section of the car to see how it would react to my flatting and compounding. The car was painted about a year ago using White Gloss coach enamel paint (wacky man!). I chose the bottom of the NSR quarter, only because it was the nearest to the door and the bushes on the driveway are now so overgrown I didnt want to risk going right up This is what I started with: The process I used - only really because these were the materials in my garage: 320 grit wet and dry 600 grit wet and dry 1200 grit wet and dry G3 compound applied with a sponge head on an electric drill. (No polish yet applied) So after about 30 minutes, this is what we have: The photos dont do it a justice really, its come up really well.
  21. 10 points
    So the last time this car was stripped and welded was back in 2003/04. It’s seen a lot of action and miles all flat out and driven very hard. Life got in the way and I was going to sell up. I decided to stick it in a garage and leave it. I used it without a care in the world for a further two years and put it in a garage as it wouldn’t pass an MOT with the state of the chassis leg on the drivers side, it’s sat untouched since then for three years under a cover. So since then I moved back from Spain, bought my new home and got engaged it’s now the right time to get D114 BCW on the road and showing it the love I showed it 15 years ago when I bought it. Plans are replace the chassis legs, jacking points and wheel well (even if parts are solid there’re being replaced) the boot floor where it meets the back panel looks crusty too - basically all the bits I never did 15 years ago (I was only 15) 😬 i am going to put new doors on it and get a new headlining made for it as this non sunroof one back in the day was a hard find but it’s bloody horrible. And just do bits that annoy me. next couple of year I want an LSD and toying with the idea of englemanns 🤔 don’t know yet. Here todays progress, 1 man - 6 hours
  22. 10 points
    Lots more done today. All glass out so it dont get ruined with welding spatter. Passenger swan neck and chassis rail removed, rotten section of inner removed, new section fabricated and fitted, lots of built hamber hydrate 80 used, then zink rich primer then satin black over that. Rotten section of floor removed, jacking point removed, sill removed, wheel arches stripped of the under seal, so I can see what's under it. Big welding session tomorrow 🙂 even found an old 10mm snapon socket in the sill, bonus.
  23. 10 points
    Fast forward to about 30 minutes ago - and we now have this: Pretty pleased with that. I will give myself a 7/10 this time - so far. Now onto the back rest cover...
  24. 10 points
    Damn forum wont let me post the last few pics 😷 The car is special, ill do right by her
  25. 10 points
    Today I have been messing about with 'stuff'. As it was a nice day I decided to get the old girl out of the garage to get some fresh air.... Today I have: - Set the timing using my new timing light, purchased at the Practical Classics show in March. - Set the auto box/carb damper pot/plunger. - adjusted the mixture a tiny bit. - set the idle speed. The car now starts freely and idles nicely. When revved it sounds clean and powerful, which is very pleasing. As I still need two new mounting rubber, the exhaust vibrates and touches the body at every opportunity. Also, I still have a blow from somewhere in the region of the exhaust down pipes or manifold. Not too fussed just yet, that should be fairly straightforward - fingers crossed! Spurred on by these small victories I could not resist taking it down the end of our road and back. The one massive worry I have had all along is: what about if auto box failure was the reason the thing was taken off the road in the first place?! I should not have worried though, it changed through the gears beautifully - phew!!! My Son was just off out, so he caught this tiny piece of history for me on his phone. Remember this is the first time in over 21 years this car has turned a wheel on a road...
  26. 10 points
    A busy Friday on the Manta, Brian the local sign writer fitted the Manta GT/E decals and engine bay sticker, A bit of detail for the engine bay, Manta ready to come home, bodyshop has completed all the work required to bring her up to spec, making her like new again, That’s me on the right picking up my Manta from Gray and Adams bodyshop in Fraserburgh this afternoon, Darren the bodyshop manager and Ross. The team have went above and beyond, their attention to detail has been brilliant, 475 hours labour has went into this part of the bodywork alone, panel prep, alignment, guide coat, sanding and spraying, to be honest the finished job has way exceeded my expectations, absolutely delighted with the results, back home in my garage now, I’m keen to start finishing off the small jobs still to do, the decals really finished Off the exterior, I’m going to enjoy the rest of the build, probably towards the end of the year I envisage for completion,
  27. 10 points
    Good morning Manta club Hopefully i should have my Manta A back on the road shortly although i am looking for a new acelarator cable if anybody can help me out I owned a Manta A sr back in the late 70s i could not resist this car when i saw it at auction 3 years ago hoping to have it out for early August Regards Alan
  28. 9 points
    Progress came to a crawl on this the last couple of weeks, as I've been putting the 400 v8 together, and working on the starmist coupe. But got some progress the last couple of days. Repairs made to passenger inner sill, front rad crossmember replaced for a nos one, cut out the drivers inner wing, A post skinn and A post kick plate. And began to replace it all
  29. 9 points
  30. 9 points
  31. 9 points
    So the under side is now fully welded and now the build up begins. The front and rear axles are now on along with the engine and gearbox etc. New fuel lines etc need to go on along with the overhaul of the rear brakes and a whole long list of other jobs. Then the headlining and paint can be done as soon as lockdown is over. again a huge thank you the Neil Boylan and Andrew Abbott for all their help in the latest chapter of progress.
  32. 9 points
    Yes it is mate, and this one was custom built by peter maiden. Engine number is hand stamped by him and has i240 stamped in it too I'm not sure to be honest. I've got piles and piles of paperwork to go through yet, so hopefully I'll uncover more of its history too 🙂 It has held up surprisingly well considering its say on grass 20 years. What a testament to what mark morris did to it. He was that cars saving grace. If he hadn't of blasted it in paint and wax oil In hes ownership, we would now be looking at a pile of rust. Thank the lord for that man 😄 Yes sean hunt had it then mark morris, then went to Jim who I purchased it from. Jim is a very nice bloke. I think life just got in the way for him. He had all the best intentions for the car he just couldn't get around to doing anything with it. I can fully understand how attached to the car he was, and why it's taken so long to let go. We all have those special cars that you know you'll never replace and this was Jim's. I'm just very thankful he finally seen the car wasnt going to last much longer and decided I was the man he would like to pass it over to. I've promised to take jim out for a run in it once it's done, and I will honour that promise for sure 👍
  33. 9 points
    I have just got the Manta back from Ricky Gauld motor engineer Huntly who did my final engine tuning/commissioning. The throttle position switch required reset, he worked on the auxiliary air bypass and bi metallic strip, cleaned corroded leads in distributor cap, re set base idle, ignition timing and fuel mixture. She is running spot on now. she sailed through the MOT with no advisories, to be honest I wasn’t expecting anything untoward after 4 years work on her, so I’m all good to go, just need a road tax now. looking forward to getting her out on the open road now 👍
  34. 9 points
    This was my very rusty but much loved GTJ now owned and being rebuilt by fullsunian The good times when she looked her best..the car that is . 20 odd years latter.the only good body work was the roof and bonnet sat in my back garden for many years didn't want to scrap it. Some strengthening work needed before one car became two Chassis legs repaird/replaced To be honest I really didn't think anyone would take this on and would end up with the roof cut off and scraped.my hat is off to you fullsunian.
  35. 9 points
    Not going to lie, I'm gutted I've got this built so quickly to begin using it and get the engine run in only for this virus to kick off, and be unable to get out on it. We can only hope this is over before the summer and shows can commence. Stay safe everyone and wish members all the best.
  36. 9 points
    Dear All, I hope that you are all keeping well. Over the last few days I have got a little bit done on the old girl. As mentioned above, the final 'big stitch' of both sections (front and back) of the passenger side seat back was done by a local upholstery company. They did a good job and were quite kind about my completely amateurish work on the rest of it Once I got that home I was able to reassemble the whole seat, and then this afternoon I have got it back in the car. My score for this job is 5/10 overall - its just all OK, but I feel that I could have done better really. Everything still needs a good smack about to get the piping all straight and so on - or perhaps that wont change anything, I don't really know to be honest... But I did learn a lot doing it and that should stand me in good stead with the drivers side and the rear seat. I do like the overall effect though when you look across from the drivers side to see the new seat covers against the door card. Anyway, you guys are the experts - I will let you judge for yourselves. Take care everyone, enjoy your cars
  37. 9 points
    Engine all built back up after doing the heads, I had a little dilemma. Couldn't get the dam thing to start once it was all built back up. I was testing the live to coil, and I had 12v there but soon as I plugged wires back onto coil it's dropped to 7v, which really confused me for a couple of hours lol. It turned out as I was building it back up I noticed a grub screw missing from cover on the dizzy so I fitted one. Problem was it was too long and had caused a short inside the dizzy. Anyway figured it out in the end, and now runs sweet and much cooler too. Looks are not something I'm after right now so don't pay too much attention to the colour scheme lol. I'm aiming to get this on the track at sywell this year.
  38. 9 points
  39. 9 points
    Took the Manta out for a run today, first time out since Sywell in July, after having spent the last 6 months rebuilding the gearbox and engine. The car ran fine but I seem to have lost the earth to the d/s dip headlight. Will this car ever be sorted?
  40. 9 points
    Hi everyone, Firstly, sincere thanks for all of your posts and messages, they really have helped Donna any myself over the last 3 weeks or so. Now things are starting to improve, I now feel able to give you some more details... On the morning of Sunday the 9th of December, our (23 year old) Son was giving us serious cause for concern with his general behaviour - it was just totally out of character. After we managed to trick him into going to A&E, he was assessed by the mental health team and subsequently detained for 28 days under Section 2 of the Mental Health Act. After admission to the Priory in Burgess Hill (2-3 hours from us, depending on the traffic), his conditioned deteriorated badly and some very dark days followed. At one point we were not sure whether he would come back to us at all. He has been in and out of seclusion and having varying levels of sedation, all of which had been very difficult for us to hear and witness. Thankfully, he is now out of seclusion and making some good progress, with fluent speech and good speed of thought etc It really has been a complete nightmare to be honest and as well as bring worried about his condition, we have been trying to find out how he came to be in this situation. It appears as if some unsavoury characters have been involved and the Priory staff believe that he may have had his good or drink spiked. Ultimately though, his recovery takes priority and that continued to be slow but sure. Thanks again to you all for your support and messages - you will never realise how much they have helped us through the dark days. Merry Christmas to you all 👍 Ian xx
  41. 9 points
    Last bit of bodywork tackled today (n/s sill & arch back) , was a bit of repairs to complete on the B-post bottom and the inner sill. phew I will be glad when I am back at work for a rest! ( and heal🤦🏻‍♂️) although I will put it into silver with base coat and lacquered, whole arches need doing, so it will only be a temporary job. Will send it to a body shop to have rear quarters blown in properly in a paint booth.
  42. 9 points
    Happy I could help you. the only thing I done today that has to do with the GSI is buying gearbox-oil. Bought enough cause the "400" needs also new oil: The rest of the day I was washing the "400", cleaning the engine-bay and yes, repairing a feul leak. Been a month back to the MOT and from there a trip to the Nürburgring and suddenly I noticed a wet trail in my garage after driving the car outside. Later my wife came back from shopping and she said "The car was looking great again". Tomorrow we are going to that "400-meeting" in Holland, just on the other side of the border. She loves to go out with me so she can meet again some other girls of piston heads. You all love pics so this one of my engine-bay: Will take some pics tomorrow!
  43. 9 points
    Hello there everybody, Dropping in to say hi, and to show off my most prized possession- my 1987 Manta GTE! This was my stepdad's car, and before I picked it up a couple of weeks ago, i'd only ever seen it once before it was tucked away and hidden in a garage forever- I was five years old, and the year was 2004. Around the age of 10, my interest in cars developed- Top Gear, Car SOS and Wheeler Dealers were all on telly, and I had a computer game called Rallisport Challenge that got me really into rally cars and the idea of driving fast off road. By the time I was 16, I'd discovered Mad Max (last of the i4 interceptors?) Mighty Car Mods and Roadkill, and I had a gaggle of car friends, some of whom already had their first restos on the go, and my enthusiasm for cars was really growing. Every time I saw my stepdad, I would joke with him about him giving me his rotten old Manta so I could do it up, and he always jokingly said "Maybe one day." April this year, I'm in the pub with him and I say "So, when are you going to give me this manta?" and to my incredible surprise, he tells me I can have it as soon as I have space to keep it. Soon enough i'd struck a deal to get myself a garage to keep it in, and in late June it was time to collect it. I'd been up to look at it a grand total of once in the gap between being told I could have it and collecting it, and to my great surprise, there really wasn't that much wrong with it- there were a few things I knew about, brake lines, fuel pump and lines, and a few rust patches which had put this car into the garage in the first place, but the rust was nowhere near as bad as expected. When pickup day rolled around, it only took myself and another strong lad a couple of minutes to rock the car into unsiezing the back brakes, and within the hour it was on the back of a truck heading to its new home. As my first ever total restoration of a car (myself and the motley crew that are helping me out joke that it's a barn find because of how filthy it is!) I'm here for all the knowledge, advice and parts I can get, as well as for all the Manta related geekery. I'm DeeBob, and this is my Manta-
  44. 9 points
    Made some good progress today. We got fuel and brake lines ran. Bias valve and bracket installed, Heater box in, mesh in scuttle panel 're painted and fitted, more routing of wires, zink plated pedal box fitted, swapped out front cross member bolts for the ones I had zink plated, fuel pump and filter fitted to zink plated brackets and wired in, and new rubber fuel hose fitted.new rubber bobbin was also used on fuel pump bracket, fuel tank flushed, dried and painted, door new door switches fitted in A posts for interior light, bonett stay and rubbers fitted, floor gromits all fitted. There's so many small little parts to hunt out, clean, replace it's takes up so much time. You forget how many little bits there are till you start putting them back together. 😂
  45. 9 points
    Hi Julian, cars are yet designed by computers. So if you ask a computer of HP a mathematical problem or a computer of another mark it will give you the same answer. So a lot of cars look the same. What you tolled about the Wolsey is new for me, allways nice to learn about those details. Some more about Old Opels On Tour: They make a special "Blitz-Bier" (Beer), and they use my car on their bottle together with two others😊. Must I go to the AA? Some more foto's: Is that a genuine TE2800? This is an real original TE2800! Very rare car: Grts, Herman
  46. 9 points
    Just found this pic from Feb 1985, with polished (filthy at the time) Wolfrace slots & B F Goodrich Radial TA tyres. And currently:
  47. 9 points
  48. 9 points
    Well, as I said the Manta's been certified, and in fact it's been certified for over a year now. The car was with my friend Preston in Orange County for around four months until we were in a position to get it back. Since then it's been parked in the garage and pretty much untouched other than a couple of trips around the area where we live, I hurt my back while moving and I've not really been up to doing much. Slowly getting it off the transporter without grounding Back with the rest of the fleet All that fuss for this sticker - California certification Actually two labels, notice the white vacuum diagram on the right hand inner wing. The battery's new too - they must have left it connected while it was being stored prior to certification and destroyed it. Sigh. First trip - all of half a mile down to the post office! Present from Santa to keep it clean in the garage One area of the car was still nagging me, though, and that's the centre console. The cassette holders are a nice period feature, but honestly they're totally useless nowadays. I actually have a few C90 cassettes still at home but not enough to fill all the slots, and besides, I don't have a tape player in the car! There had to be something I could do with it. One idea was to get a cheap Android tablet and fit it into the area vacated by the cassette holders, then I could run Google Maps on it and have a built-in nav system, music player and other useful apps. The only problem with that was an Internet connection and I haven't yet installed a WiFi hot spot in the car... I suppose I could use my iPhone as a mobile hotspot, but at that point I might as well just put the iPhone in the instrument binnacle and use it to nav for me (which is what I do when I need a nav system these days). The next idea was to use a Raspberry Pi - it's a reasonably powerful computer you can hold in the palm of your hand, it's cheap and it has loads of expansion possibilities. I actually went as far as making up a nav system with a nice big touch screen, GPS receiver, the Raspberry Pi, and a set of maps for the US on an SD card and it worked fairly well. The only problems were 1) I still didn't have a WiFi hotspot so I still couldn't do much with it and 2) it was very distracting looking down at the centre console all the time to consult the map. OK, scrap that one too. My final idea was a trip computer, it's a useful toy, it'll fit down in the centre console and you don't have to stare at it all the time. The Monza has one and so do all cars these days, so why not the Manta? Can't be that difficult. I had a BMW trip computer in my stash of parts and initially thought about using that, but BMW wiring and Opel wiring are different enough that it was going to be quite a mess to use, so scratch that. The next idea was a RHD Monza trip computer. My Monzas are LHD and the trip computer's a big sucker, but the RHD ones are completely different for some reason and small enough to fit in the centre console. I'd bought one off Derek Thompson at GM6 in Penzance years ago so it was worth a go. With unusual foresight I had included most of the wiring for a trip computer when I was rewiring the car and so I just had to find all the connectors and run the wires over to the unit and give it a go. Monza trip computer test fit Well it worked, but there were problems. - Firstly, the Monza is a 6-cylinder 3.0 litre car and the Manta's a 4-cylinder 2.4. That was easy enough to fix, the Monza workshop manual showed there was a setting you could make to tell the trip computer it was a 2.0 or 2.2 litre 4-cylinder car and that would work perfectly. Done. - Secondly the speed didn't display correctly, and that was down to different gearing. I have a vehicle speed sensor in the car for the Becker stereo and it calibrates itself to whatever it sees for speed pulses, so all I'd need to do would be to find the right speed sensor to give me the correct number of pulses per revolution. Again, luck was on my side as the sensor I was using (Ascona C) had multiple flavours, and the 8 pulse one would be just what I needed. Quick order to OCP and it was on its way. - Finally the fuel tank was a different size. The Monza is 70 litres and the Manta only 50, so I'd need to do some magic there to convince the trip computer to show the correct range. A twist to this one is that the trip computer really didn't like the Manta's old mechanical instrument voltage regulator. Because of the way the instruments are designed, Opel could get away with the cheap mechanical voltage regulator that switches between zero and battery voltage periodically, making an average of 10V. The trip computer needed to see a voltage referenced against a true constant 10V source, so I had to make a solid state voltage regulator to replace it. Not hard, just fiddly... It was about that time that I stumbled across the Senator B trip computer in a magazine and it looked perfect. The Monza trip computer had a tiny display and buttons on the trip computer itself (quite a stretch from the driver's seat) but the Senator one was almost exactly the same size but had a bigger display and remote operating buttons, so I could place them where it would be easiest to reach. A call to Derek at GM6 and a week later I had one in my hands. Senator B trip computer, luckily similar connections to the Monza one Now these trip computers can be "personalized" by little plug-in modules to work for 4-cylinder Carltons or 6-cylinder Carlton / Senators and unfortunately all Derek had in stock was one from a 6-cylinder car. Oh well, back to that problem again, but this time it was worse because you had to get the module reprogrammed in order to change the personality and I didn't have the means to do it. The local Vauxhall dealer in Reading was a bust - I asked them if they could reprogram them (Vauxhall's workshop manual "TIS" said they could) but they looked at me as though I was from Mars and said they had no idea what I was talking about. Oh well. A bit of Googling landed me a chap who a couple of years ago had built a programmer for them and offered a reprogramming service if you could tell him what personality number you needed. I knew just what I needed so I contacted him. After a bit of to-ing and fro-ing we agreed we had different number lists. I had a list on TIS that said I needed number 31, he said his numbers started at 50, so he offered to reprogram it to the closest number he could find - 55. A while later I had a reprogrammed module in my hand, I connected it up and found that 55 was a later number for a C30NE Senator B. Sigh. I had changed it from being an early 6-cylinder to a later one. I had to do something different. The good thing is that I used to do electronics as a hobby (and even as a job before I switched to software) so I had some options. My first try was to build a divide by 1.5 circuit on the basis that the injection signal was pulsing at 1.5x the number I needed (6 cylinders instead of 4, right) but the problem was that it didn't preserve the widths of the injection pulses, and it was those that were important. If you think about it, the amount of fuel being used is determined by two things - the pressure of the fuel in the rail and the amount of time the injector is open. Since the pressure is constant, it's the amount of time the injector is open that we're measuring in the trip computer, so I actually needed to divide the number of pulses by 1.5 but keep the actual width of the pulses the same so that it divided the amount of fuel measured by 1.5. Trust me, there's no simple electronic circuit to do that! There's a popular little computer you can buy for a few pounds at Amazon (and other places) called an Arduino. It's a lot less powerful than the Raspberry Pi, but it's a great little thing for connecting to motors and switches to make something computer controlled. It's also great for what I needed. I just happened to have the smallest one (the Arduino Nano) in a drawer at home so I started prototyping what I'd need. To make a long story short, a little external circuitry and only 75 lines of C++ code later and I had exactly what I needed. It converted the signal from the ECU from 12V down to 5V, fed that into the Arduino where it did it's divide by 1.5 (preserving the pulse widths and relative frequency) and then converted the output signal back to 12V for the trip computer. The Arduino being tested. The little board closest to the camera generates the test signal that mimics the Motronic ECU Well, that was my fuel signal sorted and I had the different speed sensor swapped in, the only thing left was the fuel level. My first (and badly thought out) attempt was to try to level shift the signal from the fuel tank to make the tank seem more empty than it was, but I got that one so badly wrong I blew up the solid state instrument voltage stabilizer, something I've never been able to do before! Out with the instruments and more soldering... Notice the diagonal crack in the casing? Takes real skill to do this! Back to the drawing board, and I realized I had the ideal solution just staring me in the face - the Arduino; it claimed it could read analog signals (i.e. voltages) and output them too. It really wasn't taxing itself much with the divide by 1.5 routine, so I set to and added the fuel level adjustment into it - that worked out well because it needed a little fudging to match the fuel tank sender to what the book says it should have been producing and that sort of thing is simple in code, just a single line in fact. So another 30 lines of C++ later and I had my fuel level adjustment sorted. The only twist in the tale was that it really couldn't output voltages, instead it output pulses that could be (fairly easily) converted into voltages. I was never good with analog electronics, but the Internet makes everyone a genius, and a couple of integrated circuits later I had exactly what I needed. Back in the car and a short trip round the block and things were looking good, it was time to get the whole lot to fit. I bought some sheet ABS and made up a replacement for the cassette trays. The trip computer fills the entire space, top to bottom, and is set over on the driver's side. The remainder I decided to split with a horizontal shelf, making a cubby for things like glasses (I'm getting old, I have multiple sets) and a space below that was the original tray. I wanted to hide the USB power connector and aux connector out of the way so I put them at the back of the lower shelf. It's fiddly to find, but beautifully hidden out of the way. The trip computer and shelf Centre console modified to take the control buttons The console back in place, if you look carefully you can see the USB in the centre under the shelf I really need to tidy this wiring up! 300 miles to empty... 0.4 gallons per hour at idle I'm lighting everything up inside the car (it's a bit like a disco in there to tell the truth) so the shelves have short strips of LEDs to provide the lighting and I chose a suitable resistor to dim them down. With the shelf being coated in black speaker carpet (both to hide the shiny black ABS plastic and also help hold things in place) the effect is that the light isn't visible except when something is placed in the shelf, just what I wanted. So that's where I am now, car's pretty much sorted. There are still some things to do, like swap the fuel tank (microscopic hole somewhere) and fit a centre arm rest (saw someone else's project on here and want to do the same thing) but now it's down to driving it.
  49. 8 points
    Tonight polished the n/s side,wheels back on ( although rear will come off to fit the drums) Pull Sticky out of the garage in this lovely weather (started first time after 2 weeks) Turned it round so l can do some work on the o/s
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