i2000 Posted November 28, 2013 Share Posted November 28, 2013 hi,my manta seems to be using too much fuel,it idles slightly lumpy and smokes abit,the engine and head have been fully rebuilt,i have checked and rechecked the timing,the bores were badly worn when stripped,the previous owner stopped using it in 1997 because it cost too much to run,he had always run it on 4 star because he did'nt think it was compatible with unleaded,could it be the injectors or just let the garage set the air/fuel mixture,any ideas,thanks. Quote Link to comment Share on other sites More sharing options...
upk Posted November 28, 2013 Share Posted November 28, 2013 How much is too much? Any numbers for mpg Quote Link to comment Share on other sites More sharing options...
cam.in.head Posted November 28, 2013 Share Posted November 28, 2013 what are you getting out of £20. all my cavs & 2.2 get about 60 -70 mile max with daily use Quote Link to comment Share on other sites More sharing options...
i2000 Posted November 29, 2013 Author Share Posted November 29, 2013 hi,its a nearly finished project so not yet on the road,just in and out of the garage and idle,it runs for about 25 mins on a gallon of petrol the previous owner said it got too thirsty to run and blamed the lumpy idle on the solid lifters,he said it runs better now than it ever did,it idles like my old mini did on full choke,its not getting hot or leaking fuel.60-70 miles on £20 maybe its ok afterall. Quote Link to comment Share on other sites More sharing options...
dog321fish Posted November 29, 2013 Share Posted November 29, 2013 (edited) 1.8 Berlinetta seems to average about 28mpg, £20 buys less than 3.5 gallon of fuel atm. Cam.in.head you only get about 20mpg ? Heavy left foot ? HTH Edited November 29, 2013 by dog321fish Quote Link to comment Share on other sites More sharing options...
dog321fish Posted November 29, 2013 Share Posted November 29, 2013 (edited) Delete please Edited November 29, 2013 by dog321fish Quote Link to comment Share on other sites More sharing options...
cam.in.head Posted December 1, 2013 Share Posted December 1, 2013 1.8 Berlinetta seems to average about 28mpg, £20 buys less than 3.5 gallon of fuel atm. Cam.in.head you only get about 20mpg ? Heavy left foot ? HTH hi. i have a 2 litre cav,2.2 cav & 2.2 carlton. all are used for short runs to work & back daily 2 cold starts a day for 3 miles to work & back.all do very similar mileage.approx 60 -70 miles per £20..obviously better on a run thou ! Quote Link to comment Share on other sites More sharing options...
dog321fish Posted December 1, 2013 Share Posted December 1, 2013 Hi OK bigger engine than mine, and on a 3 mile run barely get warm. Cheers Dave Quote Link to comment Share on other sites More sharing options...
MicsManta Posted December 7, 2013 Share Posted December 7, 2013 my manta (2.0E) was bad on fuel, about 15-17 mpg, i found that i had low compression on all four cylenders, and i think that that was causing the issue. so i would advise double checking the compressions. by the way does anyone know where to get new pistonrings from. Quote Link to comment Share on other sites More sharing options...
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