T O P I C R E V I E W
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cemelevu
Member # 10601
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posted
I may have over tightened my non adjustable pedestal mount rocker arms. I was slowly turning the engine over by hand, and heard a pop sound come from one of them. I don't want to fire this thing off until I have checked everything in the valve train. I looked at everything I could but couldn't seen anything wrong, where else should I look and what should I be looking for?
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5.0 LsX
Member # 10017
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posted
hows the preload?
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cemelevu
Member # 10601
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posted
Honestly, and more embarassingly, I don't know. I didnt check. I had just tightened them down slowly, until the pushrod stopped spinning freely, on each one. Then I would move on to the next after turning the crank by hand until the valve would be closed, and repeated above process. Does that make sence? I have a bad feeling that I may have eff'd something up. I just looked up on cranes website for checking lifter preload, and I didnt do any of what they describe. Looks like I will be busy this weekend.
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5.0 LsX
Member # 10017
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posted
youtube it and double check you have the correct pushrod length as well, its really easy once you have seen it done
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5.0 LsX
Member # 10017
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posted
and its the up and down motion your worried about, so I can tell you they are too tight right now
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cemelevu
Member # 10601
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posted
ok, so I think, no, I know I will be backing them off this weekend, because of the popping sound from when I turned it over by hand to make sure I was @ TDC on # one, should I be looking for some broken parts? i.e. broken pedestals, pushrod tips?
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5.0 LsX
Member # 10017
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posted
that and try to get a good feel on the lifters..hard to tell what the noise could be...
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cemelevu
Member # 10601
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posted
What if I pull out the lifters, one by one? What should I be looking for?
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5.0 LsX
Member # 10017
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posted
they are all in one piece, compress and come back, roll smoothly
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Notch1320
Member # 2647
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posted
PM Sent
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