[chadillac66]

have a 660 raptor with x4 cam does neone know what the valve clearence is on the int and exh thanks

 

[Mad Dog]

I used .006 and .008, which is the middle of Megacycle's spec for each.

 

[willykiller]

I have used OEM specs quite successfully, amd even tighter......

 

[chadillac66]

thank for the help