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Old 08-01-2013, 09:01 PM   #34
old motorhead

 
Drives: Maggie blown LS3 vette
Join Date: Aug 2009
Location: SE TX
Posts: 1,490
Quote:
Originally Posted by strych9 View Post
Of course it is. When you take a hammer to metal, what happens? The factory bolts are torque to yield. An impact disproportionately stretches them. That can result in it coming loose, or breaking at some point. Good luck with that. You can rattle them off if you want to, but always install them by hand. ARP bolts are a different story.

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Mine's been running for several years and thousands of miles done with an impact wrench. I think I'll continue to take my chances. Maybe I'm just lucky
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