#123740, "RE: quick question on valve guide seals..." In response to Reply # 1
Only the process of elimination. IIRC, If it's smoking at idle after it sits for a while and you have good compression numbers, then it probably is the valve guide seals.
Originally posted by thedawg
I ran 15-18psi on my stock a604 for about 30k miles then it broke. It makes cool whining noises now.