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Thread: Pushrod Failure . .. Thoughts . . ? ???

  1. #21
    Join Date
    Aug 2007
    Location
    Honeywood, Ontario
    Posts
    7,112
    GM is using LS7 lifters as standard replacements across the board now apparently. Reason I mention it is there's probably a price difference still.
    2006 Silverado
    Little Black Bitch

  2. #22
    Quote Originally Posted by Frenchy View Post
    GM is using LS7 lifters as standard replacements across the board now apparently. Reason I mention it is there's probably a price difference still.
    Those are what I would use. Cadillac ones are too expensive.
    99RCSB Broke because I wasted thousands and thousands of dollars on my truck.

  3. #23
    Join Date
    Aug 2007
    Posts
    756
    I might be doin a cam change in my truck from a Z06 cam. Hit me up if you end up wanting it.

  4. #24
    Join Date
    Jul 2008
    Location
    Mesa, AZ
    Posts
    6,148
    Quote Originally Posted by zeake View Post
    I sure hope it isn't lifters. IF it is I think I will get a z06 cam lifters and springs. Pulling heads sucks though.
    I would go bigger if you're gonna open it up...that's just me tho.
    T-RAV
    99 GMC | 5.3 | Skinny White Guy Tuned

  5. #25
    Quote Originally Posted by bangbangskeetskeet View Post
    I would go bigger if you're gonna open it up...that's just me tho.
    Yeah I should.
    99RCSB Broke because I wasted thousands and thousands of dollars on my truck.

  6. #26
    Join Date
    Aug 2007
    Posts
    756
    Might as well make it idle mean and add a little more power while you're in there.

  7. #27




    All of the other rods on the passenger bank were worn. One was almost as bad as the first one I found. It is pictured above. When the first one was replaced it tightened down with no play at all. Hopefully it was crappy rods. My mechanic said it cranked and the noise was gone. I am still going to have him replace the rods on the drivers side tomorrow. Then I will drive it for a few days to see how it does. I guess that will tell me if it is a lifter. I was a little worried that the cam had some bad lobes.
    I still want to hear thoughts on this. Thanks
    Last edited by zeake; 12-16-2010 at 07:25 PM.
    99RCSB Broke because I wasted thousands and thousands of dollars on my truck.

  8. #28
    Join Date
    Feb 2005
    Location
    Austin, Texas
    Posts
    2,061
    With all of them being like that Id go with bad batch of pushrods, Ive never seen 4 lifters go bad at the same time without other catastrophic engine failure.
    2007 CCSB Z71 VortecMax: Stock!

  9. #29
    Join Date
    Jun 2009
    Location
    Washington DC
    Posts
    1,848
    Im stickin with the bad batch of rods which didnt get properly heat-treated

  10. #30
    Join Date
    Apr 2005
    Posts
    4,360
    I would be sending pics to the manufacturer and making them explain it...and send you new ones...
    Gone, but not forgotten!

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