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    2009 Yukon...AFM/DOD Delete... I'm an IDIOT!!!

    Hey family, so I'm doing the DOD delete on my 09 yukon 5.3l and I purchased a kit from AMS racing. Just your standard delete kit with tuning. I've broken everything down, replaced the cam shaft and now I'm ready to replace the lifters. Quick question, does it matter if the lifters don't...
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    Seized Valve Cover???

    Anybody ever have an issue with a valve cover that won't come off? Im trying to check my rocker arms. My suspicion is that the #7 is loose causing the rattling, rather than a compressed lifter. BUT i can't get the damn valve cover off! All the bolts are removed. There's not much to brace myself...

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