Originally Posted by
Rich170
It is the clearance between cam lobe and the bucket on top of the valve. If the clearance is too large, then the valve will not open fully, thus loosing you power.
The thicker oil will probably have caused the tapping you heard too...
Cheers for that dude. I was looking for a suggestion that wasnt timing related. Is that a DIY job or garage? I'm finding it hard to find anything on it..
Last edited by SnackaJacques; Oct 31, 2010 at 09:21 AM.