Zark Posted May 8, 2012 Share Posted May 8, 2012 I have checked my cam timing using an indexing wheel and a piston stop to get TDC, and find that the valve timing is retarded about 3.5 degrees due to chain stretch. I have a Comp street cam, 260 and standard cam sprocket. My question is do holes #2 and #3 on the cam sprocket advance the cam in 4 degree increments. In other words, #2 hole is 4 degrees advance and #3 is 8 degrees advanced. This is how I interpret the FSM. Am I right? I have searched this site and found no clear simple answer. Also searched the web and found some contradictory explanations. Quote Link to comment Share on other sites More sharing options...
madkaw Posted May 8, 2012 Share Posted May 8, 2012 Yes, they are to ADVANCE the timing and I think you are right on the amount of degrees. I'd go to #2 and redial it and see how it comes out. Quote Link to comment Share on other sites More sharing options...
Zark Posted May 9, 2012 Author Share Posted May 9, 2012 Thanks for the check Yes, they are to ADVANCE the timing and I think you are right on the amount of degrees. I'd go to #2 and redial it and see how it comes out. Quote Link to comment Share on other sites More sharing options...
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