4.0 Head on 258 question (re:pushrods) - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 12-17-2002, 09:22 AM Thread Starter
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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.
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post #2 of (permalink) Old 12-17-2002, 05:50 PM
brendan
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Re: 4.0 Head on 258 question (re:pushrods)

If they just trued the mating surface you should be fine with the stock 258 pushrods.
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