need to check pushrod length by installing and setting the lash on #1 cylinder. exhaust, then intake.
note were the roller is riding on surface of the valve. roll engine over threw valve cycle.
watch the path of the roller rolling across the surface of valve. you want it to stay as close to center as possible through the entire cycle.
if it starts out just outside center, (toward header side) it should roll through center and max out at the same location on the opposite side of the valve that it started on (intake side).
like I stated before you want to stay as close to center as possible to reduce side loading of valve stem, and premature valve guide wear.
I think there should be lifeguards in the genepool.
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