Gotta question for you guys...i have a 90 dx hatch with a 89 crx si motor. I'm using everything stock including ecu, fuel rail and reg, injectors, manifold, and header. Now my car won't go past 4800 rpm while im driving on first gear. Second goes but its slow as all hell but slowly passes to roughly 5000 rpms and stops. Third to little bit more and so on. At neutral rev, it would go up rpms faster but stutter around 6000 rpm. A buddy of mine says its the fuel pressure. Is that right? PLEASE HELP. Thanks for any help

 

sounds like your not getting any fuel up top, how long have you had this swap before it started being a problem?

 

new fuel pump
or one from a dohc engine

 

i think i do have a problem with fuel on the high end...but i dunno if that would screw everything else up...it doesnt pick up as fast as a Si is supposed to. This problem started right after i put the motor in. Bout a month now and im not driving it till i figure out whats wrong. Please help.

 

ttt please help guys!!! thanks

 

any help would do....please!!! thanks

 

Have you had a chance to check you cam pully alignment... Pull your plugs, and check for signs of running lean. Someone might have switched out the head, with a D15 throwing the cam timming off, even tho you have it set right visually.

Just some thoughts....


[Modified by 88_SC_CRX_Si, 6:58 AM 5/9/2002]