Quote:
Originally Posted by BMWM.D.
As much as you might be against it, meth is a very good option for these engines. Lower IATs, increase octane, and take some load off the fuel system (only if needed). I've had meth systems on my last 3 LS builds. Zero issues...though I'll add that I do my own installs and am meticulous with wiring and attention to detail.
That said, did you read that thread I linked? I thought those were impressive gains with just a Heartbeat blower and meth. Stock manifolds and airbox even.
If you're set against meth injection, have you considered running something like E30 or E40?
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Well said. I wanted to ProCharge my Grand Sport and run on 93 but after talking to many shops, they all told me that if I didn't at least do meth injection, I'd be limited to ~650 RWHP by octane. Ted Jannetty is a wealth of information on octane for late model GM engines. If you have questions you should talk to him.