Allen Liew Posted March 26, 2009 Report Share Posted March 26, 2009 this car fitted with aps sr40 turbo, sard 650.c.c injector fuel pressure setting 40psi. the car run well but when the car reach 4k to 5k the car start jerking, but the a/f is on 11.2 after 5.5k the car run as normal. all in full throtte Quote Link to comment Share on other sites More sharing options...
Guest Dave Posted March 26, 2009 Report Share Posted March 26, 2009 if you want to send the map through and a log then I can have a look and see if there are any issues but it sounds like a good old ignition missfire what ignition dwell is been used? what spark plugs are fitted and what is the gap? Regards David Heerdegen [email protected] Quote Link to comment Share on other sites More sharing options...
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