I know GM used batch until 93 in the Vettes and F-bodies.
Wayfast, just remember that a stock FI system is nowhere near as flexable as an aftermarket system. My electromotive system can control low inpedance injectors, has a rev limiters bulit in that can be set to either reduce fuel pulse or pull timing, a bulit in two step, 2nd fuel pump control ( I can turn on a secondard FP at a certain RPM), and a port that can be activated by throttle postion or Map sensor (reading boost) that can activate nitris or alki. And the software provides full graphics. And this would be on of the less expensive systems.
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93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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