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knocking
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  1. AccessTUNER
    Hey guys, I've had a knocking issue ever since I first installed my COBB AP to my 2009 USDM GTR, seen through the flashing boost gauge and occasional engine cut at higher rpm during several wide open throttle runs. The GTR is completely stock with only an unknown brand titanium cat-back...
  2. Engine
    Hi GTRlifers, I'm hoping to get your help diagnosing why my 2009 GTR experiences severe power loss and knocking as the engine temperature increases upwards of about 180 degrees. I'm also interested in hearing any ideas on how I could keep the engine temperature cooler as I drive and/or how to...
  3. R35 GT-R
    Well, I have the exact same issue as ErrorMacr0 did. But I'm almost nearly certain it's an exhaust leak just like his. Whether or not I have wrist pins that are seizing will have to be seen by Jack next month when he takes it apart. But as far as I can tell, there is nothing wrong as far as...
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