RycaShawn wrote on 12/06/11 at 14:53:41:I finally installed the head on my motor and found that I cannot get my cam timing perfect so I made an assumption. I should set the cam at retard rather than advance due to the following assumptions.
1. chain guide is slightly worn
2. slight resurfacing of the cylinder deck
3. cam chain is slightly worn and stretched
So after I reasoned this to myself I thought, "how do I adjust timing?" Is there an easy way to do this? Is it even worth the trouble?
1.The forward guide is straight so wear won't impact timing.
2. ~0.010" will retard timing 1°
3. Yeah, stretched chain will retard timing.
What's the allowance?... .070"?
How much does the cam chain adjuster stick out of the housing?
18mm is cause to replace the chain and guides or install a verslavy.
Cam chain will only affect valve timing, not ignition timing... so no need to adjust it.