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Message: <blockquote data-quote="9550" data-source="post: 1211631" data-attributes="member: 16884">i was thinking about the situation driving last night and i realized something and cleared it all up (i think): it doesnt matter what position the sprockets are in when i take them off. i didnt realize at first the that the cam sprocket only makes one revolution for every two revolutions of the crank sprocket. i can take the sprockets off without caring where the dots are, and just make sure they are lined up when i put the new cam in. right? as long as the crank sprocket mark is straight up, regardless of what stroke the cylinder was on when i take the sprockets off, putting the crank sprocket straight up and putting the cam sprocket mark straight down effectively 'resets' cylinder 1 to the compression stroke. what i cant figure out is why theres so much concern about making sure cylinder 1 is tdc of compression before taking the sprockets off? maybe i wasnt explaining it correctly. to do what i was saying, i wasnt putting the heads back. just the cam, and two lifters. no pushrods. i dont know why the pistons wouldnt move if i turned the crank to check which lifter moved when. regardless, its moot now because all i need to do is line up the marks on the sprocket and im done. yeah, this sounds like the easy fix, but would be frowned upon?</blockquote>