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ecu question

Posted: December 7th, 2011, 5:28 pm
by goincommando
can anyone help me with my problem, that i might be having or i think im going to have. i have a 95 4.0 with with 4cw 4.2 blah blah, any way i have a big big cam, .493 intake and .512 exhaust. will i need to have the ecu reflashed in order for the jeep to run, or will the adjustable map sensor, do all the work.... its going in a 92 yj, the motor has 68mm throttle body, poweraid spacer, no clue on what injectors, compcam 68-239-4, banks header. i read about every one building these motors and putting back together and starting it up. im about 2 seconds to just about throwing a holly 4bbl on it... help

Re: ecu question

Posted: April 10th, 2012, 6:51 pm
by FOXxX
If you haven't found your answer yet.. Your ECU should be able to compensate for the different cam. No need for the flash.