GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

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Old May 12, 2012 | 11:16 AM
  #11  
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I have new stock head bolts that I will cut you a deal on. I'd rather do that than see you snap an old one off in the block!
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Old May 13, 2012 | 02:04 PM
  #12  
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thanks for the offer but i will just wait to buy the ARP studs as i plan on boosting the engine in the next few years
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Old May 13, 2012 | 02:41 PM
  #13  
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Originally Posted by greasemykey
thanks for the offer but i will just wait to buy the ARP studs as i plan on boosting the engine in the next few years
Good idea. The GM bolts are torque to yield which means your tightening them to almost their breaking point which stretches and changes the shape of the bolts. They can only be used once.
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Old May 13, 2012 | 03:05 PM
  #14  
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well i guess they are still useful for pulling the engine out of the truck and holding it on the stand.
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Old May 13, 2012 | 03:12 PM
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I do believe you can reuse ARP bolts.
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Old May 13, 2012 | 05:20 PM
  #16  
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Originally Posted by Mangled03gmc
I do believe you can reuse ARP bolts.
Yes, just not any torque to yield bolts. The ARP bolts are torqued to their reccomended Ft lb specification and can be reused.
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Old May 13, 2012 | 09:18 PM
  #17  
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The head bolts stretch when you tighten them, thus if you try to reuse them you run the risk of breaking them.

FelPro ES72173, $16 for a set on RockAuto. I used this on my top end rebuild and they worked perfectly.
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Old May 14, 2012 | 12:00 PM
  #18  
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I can get you GM head bolts for $45 + shipping.

PLEASE don't re-use the stockers!
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Old May 14, 2012 | 03:25 PM
  #19  
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i like how everyone says not to reuse head bolts, but its ok to reuse the torque to yield connecting rod bolts and main cap bolts??..i just dont get it..
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