If you have a lot of camshaft and dont run it hard enough, this can show up as carbon on the floor of the intake. There is a time between exhaust closing and intake opening that is an "overlap period" in hot cams, during which they are both slightly open. This can cause carbon in the intake.
[ December 31, 2002, 01:55 PM: Message edited by: steve c. ]
[ December 31, 2002, 01:55 PM: Message edited by: steve c. ]
