280zx_sliding Posted June 9, 2007 Share Posted June 9, 2007 alright so i can disconnect my ecu. and it should run correct right. Quote Link to comment Share on other sites More sharing options...
spacecase70 Posted June 9, 2007 Share Posted June 9, 2007 yes, it will, but i dont know if your tach will still work, but it should Quote Link to comment Share on other sites More sharing options...
280zx_sliding Posted June 11, 2007 Share Posted June 11, 2007 well i disconnected the ecu. the car runs and the tach works. but the problem isnt solved. whenever im at wot the car stumbles at 3500-4000 rpm. im thinking not having a gas cap is the problem. do yall have any idea what it could be Quote Link to comment Share on other sites More sharing options...
spacecase70 Posted June 11, 2007 Share Posted June 11, 2007 check the valve clearences and also make sure you have a good fuel filter you might be starving for fuel Quote Link to comment Share on other sites More sharing options...
280zx_sliding Posted June 12, 2007 Share Posted June 12, 2007 by valve clearences do u mean the valve lash? also the fuel filter is new i cleaned it out and all that to make it run better. also i changed it out with one of the inline clear filters my bro used on his car. it sounds like the car is flooding at those rpms. is there a fuel pressure regulator of some sort that i might need. i currently just have the 4psi fuel pump (purolator) with lines all the way to a T to go to each carb Quote Link to comment Share on other sites More sharing options...
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