not a manta 400 Posted January 10 Share Posted January 10 (edited) Hey guys This topic is about my 1978 opel manta B. I Bought it as my second project car august this year from somebody who wanted to turn it into a rally car but for some reason didnt and left it sitting outside, stripped with only the front and rear axle (so no windows, doors, interior, etc.) since 1995. yes it had a lot of rust but it was also dirt cheap, and since a manta B is my dream car and i was an 18 year old with nothing else to do i decided to buy. (I'll upload pictures when i figure out how to, google decided i cant upload from my drive anymore) Edited January 10 by not a manta 400 Quote Link to comment Share on other sites More sharing options...
®evo03 Posted January 10 Share Posted January 10 (edited) White manta in a snow storm. 😂 Lots more pics needed of Black Manta 😎 Edited January 10 by ®evo03 Quote Link to comment Share on other sites More sharing options...
not a manta 400 Posted January 10 Author Share Posted January 10 Project images are available to Club Members Only, Click to become an OMOC Member. finally figured it out, gotta convert about 285 images... but here is one from when me and my dad picked it up at the previous owner Quote Link to comment Share on other sites More sharing options...
not a manta 400 Posted January 10 Author Share Posted January 10 Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. finally got the manta home, had to do a lot of cleaning... Project images are available to Club Members Only, Click to become an OMOC Member. and i had to repair a huge dent in the rear (and a lot more of course) Quote Link to comment Share on other sites More sharing options...
not a manta 400 Posted January 10 Author Share Posted January 10 Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. after hours of cleaning and removing the front and rear axle Project images are available to Club Members Only, Click to become an OMOC Member. speaker holes i guess??? 1 Quote Link to comment Share on other sites More sharing options...
H-400 Posted January 11 Share Posted January 11 Hi Luc, I can open the pics by clicking them a second time in another window. I use Imgur to upload them and put the direct link over here. Then everybody can see them without using a link. Weird, you speak Dutch, I Flemish and we are communicating in English on a foreign forum 😁 1 2 Quote Link to comment Share on other sites More sharing options...
IanG Posted January 11 Share Posted January 11 +1 for the green coupe club!Project images are available to Club Members Only, Click to become an OMOC Member. Quote Link to comment Share on other sites More sharing options...
®evo03 Posted January 11 Share Posted January 11 Weirdly, there is a real famous rally 400 manta made from a shell this colour, from new probably 1984, or maybe it received a quarter panel this colour. I can also see pics if opened in another window. I can post if you want. But my Dutch or Flemish ain't so good 😂 1 Quote Link to comment Share on other sites More sharing options...
not a manta 400 Posted January 11 Author Share Posted January 11 bedankt H-400, imgur werkt perfect Project images are available to Club Members Only, Click to become an OMOC Member.Project images are available to Club Members Only, Click to become an OMOC Member.Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member.Project images are available to Club Members Only, Click to become an OMOC Member.Project images are available to Club Members Only, Click to become an OMOC Member.Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. 4 Quote Link to comment Share on other sites More sharing options...
1200bandit Posted January 11 Share Posted January 11 Not that bad,have seen a lot worse 2 Quote Link to comment Share on other sites More sharing options...
Jonathan Pounsett Posted January 11 Share Posted January 11 3 hours ago, 1200bandit said: Not that bad,have seen a lot worse I agree. I think you got that just in time. Another one saved - good luck and make sure you keep us all updated with your progress. 1 Quote Link to comment Share on other sites More sharing options...
not a manta 400 Posted January 12 Author Share Posted January 12 more pictures! ive been busy with school but managed to upload a few more to imgur, mostly of the rust repair i had to do and finishing/improving previous rust repair done to the car... which is everywhere it has orange primer Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. the inside of the car after primer: Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. front axle: Project images are available to Club Members Only, Click to become an OMOC Member. and the different rear axle i bought, a 4 link from a rekord C : Project images are available to Club Members Only, Click to become an OMOC Member. I'll upload more when i have more time 5 Quote Link to comment Share on other sites More sharing options...
not a manta 400 Posted January 14 Author Share Posted January 14 hi guys, i've converted more pictures to post (still have to do this because imgur doesnt except HEIC) Project images are available to Club Members Only, Click to become an OMOC Member. a lot of engine pictures today. engine code: Z24SED, almost same block as c20 and c22 engines. (i'll explain later why its not the exact same) original car: chevrolet captiva. bore x stroke: 87,5 x 100 Project images are available to Club Members Only, Click to become an OMOC Member. engine disassembly Project images are available to Club Members Only, Click to become an OMOC Member. painting engine after removing rust and cleaning Project images are available to Club Members Only, Click to become an OMOC Member. test fitting manta 18S bellhousing. and now for why a z24 isnt the same as a c20/c22, 1 of the gearbox bolts is placed a bit higher and further to the right (engine is upside down in picture) Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. after welding just machine both sides flat and it fits perfectly Project images are available to Club Members Only, Click to become an OMOC Member. balance shaft delete. 2 is plugged 3 is stock Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. DIY intake manifold, jenvey c20xe + stock z24sed manifold after this it needed a lot of machining, a z24 has way bigger intake ports than a c20. about 1 mm on each side but 5 mm to the bottom to fit (dont have pictures of this) Project images are available to Club Members Only, Click to become an OMOC Member. wiseco pistons, i dont know which brand the conrods are comp. ratio: 11:1 Project images are available to Club Members Only, Click to become an OMOC Member. stock exhaust port Project images are available to Club Members Only, Click to become an OMOC Member. unfinished, modified exhaust port Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. engine assembly, you can kind of see the finished ports here Project images are available to Club Members Only, Click to become an OMOC Member. camshafts: cat cams 272 degree for big block ecotec camshaft gears: cat cams Project images are available to Club Members Only, Click to become an OMOC Member. fitting 18s oil pan Project images are available to Club Members Only, Click to become an OMOC Member. fitting aluminum valve cover with DIY aluminum sparkplug cover Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. after fitting the engine in the car Project images are available to Club Members Only, Click to become an OMOC Member. starter motor I'll upload more pics of the car tomorrow 5 Quote Link to comment Share on other sites More sharing options...
®evo03 Posted January 14 Share Posted January 14 Very nice, great to see different engine. Would a BMW getrag box fit? Is this engine tuneable, maybe Weber's or ITB, throttle bodies. Nice work, great pics. Quote Link to comment Share on other sites More sharing options...
not a manta 400 Posted January 14 Author Share Posted January 14 2 hours ago, ®evo03 said: Very nice, great to see different engine. Would a BMW getrag box fit? Is this engine tuneable, maybe Weber's or ITB, throttle bodies. Nice work, great pics. im indeed going for a 265/6 gearbox. with the jenvey intake im going for a pair of jenvey ITB with EFI 3 Quote Link to comment Share on other sites More sharing options...
not a manta 400 Posted January 15 Author Share Posted January 15 lots of pictures today. most of them are about painting but also body work and welding Project images are available to Club Members Only, Click to become an OMOC Member. removing paint and rust from left quarter panel Project images are available to Club Members Only, Click to become an OMOC Member. welding old spot for bonnet latch (too damaged) Project images are available to Club Members Only, Click to become an OMOC Member. engine bay after primer Project images are available to Club Members Only, Click to become an OMOC Member. rear after paint removing and primer Project images are available to Club Members Only, Click to become an OMOC Member. side after primer/paint removing Project images are available to Club Members Only, Click to become an OMOC Member. test fitting body kit Project images are available to Club Members Only, Click to become an OMOC Member. removed grill and very rusty bit of body above right headlight Project images are available to Club Members Only, Click to become an OMOC Member. replaced removed body part, removed rust and mounted new fiberglass grill Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. body with original Irmsher manta 400 front spoiler Project images are available to Club Members Only, Click to become an OMOC Member. rear bumper Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. a lot of body filler and sanding Project images are available to Club Members Only, Click to become an OMOC Member. body after last coat of primer Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. its finally black Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. after adding all the lights 6 Quote Link to comment Share on other sites More sharing options...
Jonathan Pounsett Posted January 15 Share Posted January 15 Really, really nice work? 😍 Quote Link to comment Share on other sites More sharing options...
®evo03 Posted January 15 Share Posted January 15 (edited) Car looks great, and brilliant work, keep em photo coming, is the engine powerful once modified? Turbo? Nice work, great pics. Is it not too cold to paint 🥶 Netherlands 🥶 I like the wedding marquee, wedding crasher, get out, I've a car to paint 😂 Edited January 16 by ®evo03 1 Quote Link to comment Share on other sites More sharing options...
Jessopia74 Posted January 16 Share Posted January 16 Looks a cracking job considering the environment, well done 😎 1 Quote Link to comment Share on other sites More sharing options...
not a manta 400 Posted January 17 Author Share Posted January 17 On 16/01/2024 at 00:43, ®evo03 said: Car looks great, and brilliant work, keep em photo coming, is the engine powerful once modified? Turbo? Nice work, great pics. Is it not too cold to paint 🥶 Netherlands 🥶 I like the wedding marquee, wedding crasher, get out, I've a car to paint 😂 I painted the car this summer, all pics are from previous work (so far), only old pics i have to upload now are from the front and rear axle. I'll be able to get more work done this weekend so those pics will be more up to date about the "wedding marquee", my dad used it back in the day for rally cross, it had white and red coveres back then but those were old and broken when we started working on my manta about 13 years later so we went with the cheapest covers we could find XD I'm not going to turbo the engine, engine specs stock are: 222nm and 136hp, but im 99% sure those numbers will go up with the mods i've done to it 4 Quote Link to comment Share on other sites More sharing options...
not a manta 400 Posted January 17 Author Share Posted January 17 last batch of outdated pictures, the front and rear axle Project images are available to Club Members Only, Click to become an OMOC Member. first of all, rear axle mods (rekord C), shock mounts need to be moved futher to the center of the axle Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. welding Project images are available to Club Members Only, Click to become an OMOC Member. painted rear axle Project images are available to Club Members Only, Click to become an OMOC Member. rear shocks need to be modded as well Project images are available to Club Members Only, Click to become an OMOC Member. new rear springs Project images are available to Club Members Only, Click to become an OMOC Member. shock with new springs and modded top mount Project images are available to Club Members Only, Click to become an OMOC Member. rear axle links Project images are available to Club Members Only, Click to become an OMOC Member. painted links Project images are available to Club Members Only, Click to become an OMOC Member. almost done (still needs a LSD and driveshafts) and now the front axle Project images are available to Club Members Only, Click to become an OMOC Member. Project images are available to Club Members Only, Click to become an OMOC Member. subframe with WIP aluminum mounts because nobody sells new (performance) rubber ones Project images are available to Club Members Only, Click to become an OMOC Member. the mounts are no longer WIP Project images are available to Club Members Only, Click to become an OMOC Member. I could buy the rear rubber new but having a solid mount in the front and a rubber one in the back would result in something breaking in half (kind of like bending a ruler over and over till it breaks) so these are also going to be solid Project images are available to Club Members Only, Click to become an OMOC Member. more welding Project images are available to Club Members Only, Click to become an OMOC Member. adjustable front suspension by RallyCorsa I dont have pictures of them on my car yet so I'll upload those this weekend 4 Quote Link to comment Share on other sites More sharing options...
®evo03 Posted January 17 Share Posted January 17 Your roads 😎 no bumps ? Did you weld shock turret at rear for strength, of not running axle spring. Also look at 400 homologation papers if you want to go lower. https://historicdb.fia.com/car/opel-manta-400 Although I'd imagine you want it pretty low. Quote Link to comment Share on other sites More sharing options...
H-400 Posted January 17 Share Posted January 17 1 hour ago, ®evo03 said: Your roads 😎 no bumps ? Hmm... The roads in Holland are a lot better than our Belgian roads. That's why Belgian rally drivers are better, we are used to drive in worse conditions 😁 Wanted to fit a Commo rear axle in my Manta GSI but Belgian MOT doesn't allow the rebuild 😥 Succes with your project Luc, grts 2 Quote Link to comment Share on other sites More sharing options...
not a manta 400 Posted January 17 Author Share Posted January 17 1 hour ago, ®evo03 said: Your roads 😎 no bumps ? Did you weld shock turret at rear for strength, of not running axle spring. Also look at 400 homologation papers if you want to go lower. https://historicdb.fia.com/car/opel-manta-400 Although I'd imagine you want it pretty low. I didnt weld the shock turrets but the springs on the coilovers are very soft so i dont think they will have to deal with too much stress. What exactly do you mean with lower? like lower ride height? 1 Quote Link to comment Share on other sites More sharing options...
®evo03 Posted January 18 Share Posted January 18 Homologation papers show rear spring seat raised. This gets axle closer to body. Maybe standard spring, but lower ride height. Try searching rear coilover, here. I think it was done before on a rally car but axle spring remained in place. Or extensive bracing to rear turrets. Remember it is only spot welds here, it could fracture. Front turrets are also seam welded and braced for extra strength. 10 hours ago, H-400 said: Belgian rally drivers are better, we are used to drive in worse conditions 😁 Irish drivers must be Pro WRC 😂 10 hours ago, H-400 said: 😁 Wanted to fit a Commo rear axle in my Manta GSI but Belgian MOT doesn't allow the rebuild 😥 Herman, could you follow papers above and build as per documents? In Belgium. Is this ok? Quote Link to comment Share on other sites More sharing options...
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