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I ran 8.7 to 1 CR pistons with a stock Starion turbo system and got that same light part throttle detonation. I found that the primary spring on the advance weights on the Starion distributor was super light allowing a lot of mechanical advance at a low RPM range.

By swapping in the springs from the carb motors distributor I was able to slow the advance curve so that I did not get the part throttle detonation.

Kevin


You crack me up. Damn I wish we were in the same area. Then I could bring over beers and hang out in your garage... <img src="/forums/images/graemlins/cheers.gif" alt="" />

(Don't anyone be reading into that. We're both married. <img src="/forums/images/graemlins/lol.gif" alt="" /> )


Jamez: I run cheap gas myself. I don't think the Quest calls for premium. A assume the lower CR offsets.


Welcome over any time.... Best part is the grill is next to the garage. Nothing like burgers and beer.

Kevin

87 Turbo Intercooled Raider, roller cam, torsen rear diff, LSD front diff, lockup auto with modified converter, V6 brakes, low transfer case gears...