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Paul Precht · 07-06-2007, 12:13 AM

When the cam is retarded beyond normal the exaust valves may hit the pistons. The compression will go down at the same time so your chances of a detonation issue where there was none before are almost not possible. Paul.

07-06-2007, 12:13 AM	#5
Paul Precht Senior Member Join Date: Dec 2001 Location: Elysburg, Pa Posts: 733 Likes: 360 Liked 327 Times in 121 Posts	Re: Can Detonation Do This???? When the cam is retarded beyond normal the exaust valves may hit the pistons. The compression will go down at the same time so your chances of a detonation issue where there was none before are almost not possible. Paul.