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Thread: false knock

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  1. #1
    Join Date
    Sep 2010
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    middle tennessee
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    Quote Originally Posted by pl4yboy View Post
    My 08s were hyper sensitive after 30k miles. I was seeing the exact same KR with 30 degrees as I was with 15.
    Interesting, thanks for the info. I guess later model sensors are not necessarily the answer. How did you solve the problem? Just installed new factory replacement sensors I assume?
    99 silverado 2500 4x4 ec lb, lq4 with 243 heads, pace setter long tubes, true duals with x pipe and bullet mufflers, comp 222 224 112 cam, 8.1 truck injectors, 4l80e with 2800 stall, 373 gears, 285 75 16 tires, efi live tune in progress, 350rwhp 360tq, 11.8 average mpg mixed driving

  2. #2
    Join Date
    May 2008
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    Quote Originally Posted by aj06bolt12r View Post
    Interesting, thanks for the info. I guess later model sensors are not necessarily the answer. How did you solve the problem? Just installed new factory replacement sensors I assume?
    I ran 30 degrees of timing and totaled the truck a month later. Solved that issue.

    1969 Chevy RCLB C10 350/TH400 SOLD
    2007 Chevy RCSB 4.8 4x4 LS SOLD
    2008 Chevy RCSB 5.3 4x4 LT SOLD
    2010 Chevy CCSB 6.2 4x4 LT SOLD
    2005 GMC CCLB DRW 6.6 Duramax 4x4 191,000 and counting
    2013 FORD CCSB F350 6.7 Powerstroke 4x4


  3. #3
    Join Date
    Sep 2010
    Location
    middle tennessee
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    94
    Quote Originally Posted by pl4yboy View Post
    I ran 30 degrees of timing and totaled the truck a month later. Solved that issue.
    Well shit man that sucks for both of us then. Wouldn't wish that on anyone..

    Anyone else solve this issue by swapping out sensors? Witch ones did you use?
    99 silverado 2500 4x4 ec lb, lq4 with 243 heads, pace setter long tubes, true duals with x pipe and bullet mufflers, comp 222 224 112 cam, 8.1 truck injectors, 4l80e with 2800 stall, 373 gears, 285 75 16 tires, efi live tune in progress, 350rwhp 360tq, 11.8 average mpg mixed driving

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