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The problem is that they tell me: "Use keyway marked “O” and crankshaft gear tooth marked “O”." My timing set has no visible keyway marks.
When I got the timing cover off, the DOT on the cam gear lined up with the ARROW on the crank gear. As far as the crank gear is concerned I see 3 gear markings ( rectangle?, a TRIAGNLE, and a 0 ). From what I have read, this appears to be the system Comp Cams uses on their timing sets. To go further, they (Comp Cams) say to use the 0 mark, and the corresponding, marked keyway to set your timing "straight up." I don't readily see a mark on any of the three keyways, which are located approx 120deg apart. The keyways all appear to be 2-4 teeth away from a gear marking (rectangle, triangle, 0). Would any of you be able to tell me which keyway I should be using for: "straight up?" Is it the keyway closest to "0?"