Does the engine still run fine? Its not uncommon to break ring lands on the pistons with these engines (from detonation), but it should be relatively obvious when it runs like its on 3 cylinders At idle it may sound like you've installed some really fat cams
How long have you had the engine running in the car?
Wed, 06 October 2004 02:48
At idle it may sound like you've installed some really fat cams 
