LT1-LT4 Modifications - cam dowel pin
07-04-2008, 04:46 PM
i was told i needed to file down the dowel pin on the cam to work with a spline drive opti. i also noticed my stock cam had a shorter dowel pin on it than the one i put in it. all this slipped my mind when i installed my new cam. it doesnt seem to be hurting anything right now but it hasnt ran for very long either. has anyone ever done this?
07-04-2008, 04:57 PM
the 93 and 94s have a shorter pin. a dremel tool will fix it. i would have thought it would be rubbing the timing cover.
07-04-2008, 11:44 PM
idk i dont hear any noise and the timing cover gasket is sealing
07-05-2008, 10:39 AM
if the dowel pin is too long it bottoms out on the opti , it will work but will cause problems down the road. Most aftermarket cams come with the dowel pin too long.
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