Gli 5 Speed

i had my bat d/c for about 6 months i droped a cam and did some inlet work and conected it all back up and it idled at 1500 rpm, is there any steps to do when conecting the computer back up that ive missed out on ?

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.480 lift cam, heavy duty valve spring, ported polished inlet manifold, shaved head, soon 3.45:1 lsd and full exhaust system

creature3

not as far as I know. Depends on what sort of imlet work you did though. Make sure that you haven't left a vacuum line off.

I hope you didn't polish the inlet too much, as it needs some roughness to help disperse the fuel droplets. Many years ago it used to be the gun thing to polish inlets until they wre so shiney you could see your face in them, until it was discovered that it actualy caused a loss of power, as the fuel was not being atomised enough.

psycho chicken

Go give it a thrashing. Mine idles weird when I reset the ECU, driving around for a while will fix it. A WOT tune will just fix it quicker.

Or you could reset base idle, someone will tell you how to do it.

And porting/polishing the inlet manifold won't affect fuel, considering the injectors are at the end of the manifold.

VBman

What model is it.
I know MPFI EB's can be reset by:-
Ignition on. Hold Foot flat on throttle for 60 seconds.
Start Engine. Put in drive and hold foot on brake. Idle for 60 seconds.
Done.

Might not work but its cheap to try it