Quote:
Originally Posted by TheCougarine
Do you know how much compression your motor has? I ask because I've seen people but big cams in motors in order to bleed off compression and keep them on pump gas. Might be something to check before doing a cam swap.
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I don't personally know or have a tool to check. I don't know what the chamber size is or the thickness of the head gasket or the piston to deck height neither, so I have no way to figure it out. The guy who I bought it from said 10 or 10.5 I believe. I don't think he really knew for sure though. He said that he was told by the engine builder to run it on 94 octane or mix in some race gas. I run the highest I can find which is usually 93. I don't get any spark knock what so ever. Timing seems to like a lot of advance.