Join Date: Apr 2002
Location: Colorado Springs, CO
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4.0 Head on 258 question (re:pushrods)
I am about to put a 4.0 head on my 258 and have a question regarding pushrods. I had the 4.0 head rebuilt and decked (milled) to ensure it was completely flat at the mating surfaces (block-side and intake/exhaust side). I have read that the stock pushrods are usable in the swap. However, is it possible that since the head was decked that the pushrods could be to long now? I would not expect that the machine shop removed very much metal from the head but I do not know what the tolerances are.
Anyone have any idea if this will be a problem or not? How can I check or measure to ensure the correct pushrod length before final assembly?
Thanks for your help and input.