Hello there. I am confused as to why there are 3 marks to line up tdc. When I "think" I have each cylinder to TDC, one of the other mark on the pulley wheel points to same # in degrees on the other side.
What is that third mark for? Am I lining up the wrong mark to TDC. The #1 cylinder is pushing air out when the two marks are on TDC and Degrees on the other side. Do I set my spark right before this happens or on the next revolution?
Thank you.
68 f-100 240 6 cyl TDC
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chucksdale
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68 f-100 240 6 cyl TDC
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Last edited by chucksdale on Mon Jul 30, 2007 2:25 am, edited 1 time in total.