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Re: broken rocker on 440
[Re: adown]
#1665279
08/29/14 10:42 PM
08/29/14 10:42 PM
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Joined: Aug 2006
Posts: 2,505 God's Country Maryland
GODSCOUNTRY340
master
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master
Joined: Aug 2006
Posts: 2,505
God's Country Maryland
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When the adjacent rocker broke it could have and probably did make contact with the next rocker causing the valve and spring to hold open for just a split second letting the pushrod come out. Once the valve and spring remained open for that split second the cam lobe for the good rocker rotated down causing a momentary large gap enabling the pushrod to pop out. :two cents:
Another possibility, when the engine lost oil pressure the other lifters began to collapse creating the same gap large enough to allow the other pushrod to come out. Are you running a hydraulic or solid cam?
I love the smell of Deer guts in the morning, it smells like... VICTORY!
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Re: broken rocker on 440
[Re: 68Bullet]
#1665281
09/05/14 11:40 PM
09/05/14 11:40 PM
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Joined: Jan 2003
Posts: 15,357 Omaha Ne
TJP
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 15,357
Omaha Ne
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Quote:
One thing to note. I just a single rocker broke and you see no good reason why, you should still replace all of them. I just went through this, replaced just the broken one, and a second broke a week later.
Without more Information, If they are the stock stamped steel ones, Changing the camshaft during a rebuild, can alter the LOAD / Friction points. it's always a good idea to replace them all to prevent the Issue.
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