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how do i stop pinging?
i have noticed a high pitched clanking under my hood latley when i accelorate. i think it might be pinging. what does it sound like? i have about 9.0 compression and i use 87 octane. what are some things that might cause pinging? what are some steps to cure it?
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1972 Cheyenne
Chevrolet red and white
357ci, Vortec heads,
GM Performance high rise intake,
Comp 268H .454/.454 218/218 110 LSA
Quadrajet carb, Flowtech headers, 2.25 40 series
HEI, Curve kit, TH 350, 3.07 gears
275/60/15s on 15x8 rallies
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