455 cam thrust plate
#1
455 cam thrust plate
Hey everyone. I'm rebuilding my 1973 455 for my 70 cutlass suppose to be an sx. whenputting it back together i noticed there's no thrust plate for cam and i don't remember taking one off, is this right? thanks in advance.
#4
The helical gear and rotation of the distributor in an Olds motor pulls the cam back into the block. In addition, the lobes on the cam are slightly tapered so that the lifters also force the cam back into the block (the taper also causes the lifters to rotate slightly on each stroke to equalize wear). Note that roller cam 307s, which do not have this feature by design since the lifters cannot rotate, require the plate.
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KustomRocket88
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November 17th, 2010 04:52 PM