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Old 09-26-2004, 04:11 PM   #1
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worn pushrods 5.0

has anyone experienced a 5.0 wearing out the pushrod ends?i got a used engine and it was ticking.i pulled the valve covers and the pushrods were worn out.i bought new ford pushrods and rocker arms and the engine ran quiet as a mouse for 2k miles.now it's doing it again.the cam has no wear at all and it has not great but fair oil pressure.could this be the lifters or is it just worn out?
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Old 09-26-2004, 09:46 PM   #2
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Sounds like a oiling issue 2 me......
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Old 09-27-2004, 05:47 PM   #3
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no kidding,i was looking for a more educated guess than that.such as possible bad lifters,cam bearings or such.
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Old 09-27-2004, 08:25 PM   #4
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Dude, there is no reason to snap at people who are trying to help you.

Anyway, yaa maybe your lifters won't pump up anymore. Maybe some S**t go into them from when they were worked on before.

Also, sometimes ticking comes from loose exaust headers.
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Old 09-27-2004, 09:25 PM   #5
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wasn't snapping,but i think i've established that it's an oiling problem.the ticking is from the pushrods being worn out.trying to find out why,i don't want to spend over $100 on new roller lifters if they won't fix my problem.the motor doesn't tick when you put new pushrods and rockers in it,it took about 2k miles before it done it.
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Old 09-27-2004, 09:39 PM   #6
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You didnt specify which end of the pushrods was wearing out. You should expect accelerated wear if the mating end of the pushrod is wearing against a previously worn out part. Aka, You should change the rockers too if thats the end that showed the wear.
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Old 09-27-2004, 10:00 PM   #7
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if the fulcrums are worn out, the pushrod will act as if it is too short, and not pre-load the lifter enough.....
if the ends of the valves that run against the rockers are beat up and worn, the valves need to be resurfaced on the ends,(along with a normal valve job) or this will make any new-replacement rockers wear out before their time....also will make unneeded extra noise.
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Old 09-27-2004, 10:02 PM   #8
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i replaced the pushrods and rocker arms at the same if you read my first post.the end that wears out is the rocker arm end.i don't understand whats the problem because it does it on over half of the pushrods and the cam has 0 wear on it.
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Old 09-27-2004, 10:03 PM   #9
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low oil pressure will eventually lead to certain death of the engine....

maybe it is time for a rebuild....
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Old 09-27-2004, 10:04 PM   #10
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finally a good suggestion,i didn't think about that.i'll check the valves next week,thanks.
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