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A
Flandy.... You're scaring me!!! 11:1 slugs and 38 degrees of timing on regular????? THAT is scary. I hope you have good ears. I'm damn near deaf and wouldn't dare.
Dave
Dave
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t
I agree, my stock 77 also pings on regular gas. It also pings some on mid-grade & none at all on 93 octane.
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p
My 74 loves regular. Admittedly it's a LS4, but it runs like a top, will set the tires afire, and doesn't ping at all.
Interestingly, my 73 Monte and Elky LS4s BOTH hate regular, and they have the same timing, carburetion, etc. as my Vette.
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in Forum: C3 Engines, Driveline and Handling
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