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What the heck happen to my cam?

   
Old 07-21-2008, 10:10 AM
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Default What the heck happen to my cam?
We pulled this cam out for my buddys 5.3 yesterday. The cam is a TR220. The truck ran fine no odd sounds we were just demodding the truck that is the only reason for the cam coming out. Let me know what you guys think.







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Old 07-21-2008, 10:20 AM
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looks like like a bogus slug. Bad, not hardened enough.
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Old 07-21-2008, 10:29 AM
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what do the lifters look like?
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Old 07-21-2008, 11:24 AM
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Originally Posted by s346k
what do the lifters look like?
We have not got them out yet. But they are the next things to get checked.
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Old 07-21-2008, 12:00 PM
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ah, good. from the looks of the post you were going leave them in and just swap cams. i'd guess that the lobes chewed on the lifters a little, also. post up when you get them pulled.
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Old 07-21-2008, 12:03 PM
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uh oh!

**subscribing**
cant wait to see the lifters
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Old 07-21-2008, 12:06 PM
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Oh no After finding this I bet he is looking at a rebuild.
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Old 07-21-2008, 12:10 PM
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bigger and better?!
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Old 07-21-2008, 12:12 PM
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what did he find?
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Old 07-21-2008, 12:16 PM
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Originally Posted by scidav87
what did he find?
just the cam so far still have to tear it down. I will keep this updated. O have also E-mail Comp to see what they say.
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Old 07-21-2008, 12:17 PM
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Originally Posted by sidewayz28
bigger and better?!
Not sure yeah there was talk yesterday of a AWD AKA Massive rebuild on the whole truck too.
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Old 07-21-2008, 12:38 PM
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AWD LSx power?! holy moly!
what kinda truck is this?
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Old 07-21-2008, 03:26 PM
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Originally Posted by sidewayz28
AWD LSx power?! holy moly!
what kinda truck is this?
Oh the truck is a 2000 chevy 1500 but the trucks owner is the one that built the frame for my 72 blazer in my sig. So he has the ability to do it up right.
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Old 07-21-2008, 03:27 PM
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Just e-mailed off the picutres to Comp lets see what they say.
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Old 07-21-2008, 03:41 PM
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keep us updated!
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Old 07-21-2008, 05:08 PM
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I have heared that compcams grinds are having some quality issues, saw that happening many times.

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Old 07-21-2008, 08:22 PM
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Two potential reasons:

1. Improper hardening of cam
2. Valve float

Sure has been a lot of photo's like this lately on the different forums.
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Old 07-21-2008, 08:57 PM
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If it is found to be improper hardening, do you think Comp would replace the cam at their cost?
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Old 07-21-2008, 09:05 PM
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Originally Posted by Mike94ZLT1
If it is found to be improper hardening, do you think Comp would replace the cam at their cost?
IF this was the case they better replace everything that was damaged cause of their faulty work.
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Old 07-21-2008, 09:47 PM
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Should not be valve float limiter was at 6600 RPM and it has the 918 springs.
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