392 Pushrods - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 10-06-2002, 06:21 PM
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392 Pushrods

I am now at a loss of what to do. On the way back from vacation my truck started acting up again, popping out of the carburator like mad, sputtering, just plain running horrible. I know exactly what the problem is too, an exaust pushrod and I am almost willing to bet it is on number 7 cylinder. I have had this problem before, and it seems to run good for almost a week before it bends or breaks another pushrod. Could a messed up lifter be a cause? Or could it be a flat spot on my cam that allows a slap between the rocker arm and the valve that could do it? Has anybody experienced a problem like this before?
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post #2 of (permalink) Old 10-07-2002, 03:35 PM
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Re: 392 Pushrods

I'd think a sticky valve would do that.
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post #3 of (permalink) Old 10-07-2002, 06:18 PM
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Re: 392 Pushrods

What's special about your 392?

LS6 valve springs? Are you breaking rocker arms at the same time, or just bending pushrods?
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post #4 of (permalink) Old 10-08-2002, 03:29 PM
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Re: 392 Pushrods

Well, last night I pulled the valve covers, and unlike the previous times I have done so, all the pushrods were still there! This means it goes back to an ignition problem that I thought I had solved.
I installed a pertronix ignitor drop in electronic ignition and my truck runs fine, until the temp gauge reads slightly above 180 then it starts popping and running horribly. Thanks for the replies though.
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