500, 472, 425, 368 Discussion, 76 Eldorado Rebuild Part 3 in Cadillac Engine Discussion; The rebuilt motor is in (although behind schedule). Its rebuilt .030 over with a comp cam other than that it ...
When any modifications are made to an early EFI motor such as your comp cam the original fuel mapping may not be adequate. More pressure delivers more fuel flow during each injector pulse. There are a few other ways to fool the computer but they are limited. They work great for factory applications.
You can change one resistor in the ECU and set the fuel where you want. Change it as you drive even. Info
on my PHOTOBUCKET user bcroe, or contact Bruce Roe CLC # 14630