Reply to "Bent push rods"

charliemccallMember

I had horrible problems with my pushrods bending after a complete rebuild a few years ago.

Most of the issues were traced to improper head assembly-
valve springs not correct for my application
metal crud had not been cleaned up under the valve spring shims, which meant that the shims bent around this debris, changing installed height
My pushrod guides were not doing what they were supposed to do - they were sideloading the pushrods. They were cut apart and re-welded.

I frankly don't remember what the other issues were. There were a number of small factors that all added up to an engine that wouldn't live. To solve the problem, I had the heads completely disassembled and all parts replaced (despite the fact that they were new). I've had many miles of happy motoring ever since...

8/19/1010:48 AM

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