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bstang46 · 11-05-2001, 02:18 PM

My car spark knocks at really high RPM's. I noticed it doing it when I raced, but I had 87 octane in it. I thought if i just put 93 in it the car would quit knocking. The other night I raced a 96 GT and it knocked with the 93. So what could be causing this or how can i stop it?

11-05-2001, 02:18 PM	#1
bstang46 Registered Member Join Date: Sep 2001 Location: GA Posts: 84	Spark Knock. My car spark knocks at really high RPM's. I noticed it doing it when I raced, but I had 87 octane in it. I thought if i just put 93 in it the car would quit knocking. The other night I raced a 96 GT and it knocked with the 93. So what could be causing this or how can i stop it?