Head Bolts - Team Camaro Tech
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post #1 of 3 (permalink) Old Sep 23rd, 03, 03:35 AM Thread Starter
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Join Date: Jun 2002
Location: Virginia
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Cleaning up my head bolts for my rebuild and noticed that there were two different types. One side had different heads on the long bolts than the other side. The 4 short bolts were the same. One side had flat heads and the other side had recessed heads. All the bolts were the same length though. To my knowledge this engine has never been apart. It only had 54000 miles on it. Would this have been normal practice for GM?

1968 RSSS BB 396/325 AC TH-400 Black/Red (Sold)
1969 Nova SS 350 M-20 Red/Black (Original)
1967 Chevelle SS (Clone)(Project)
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post #2 of 3 (permalink) Old Sep 25th, 03, 04:35 PM
 
Join Date: Aug 2003
Location: Memphis, TN
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Are you re-using the original bolts? Get some new ones. I know some guys say it's ok to re-use the old ones, I don't trust old fasteners knowing what kind of stress I have put on them. I know it is painful to come out of pocket even more, but worth the assurance of not having to do it again. I always put new head bolts on once they have been pulled off.

'72 Camaro<br />'69 350 40 Over<br />World Sportsman II
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post #3 of 3 (permalink) Old Sep 25th, 03, 06:18 PM
 
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Not doubting catboy, but I personally don't feel it is necessary to buy new head bolts everytime.
The 300-M alloy GM made their head bolts out of is great stuff.

If not mistaken about like a custom 4340 grade that is OQT, (I think). It may even be mildly case-hardened?

I sent Pozzi what it is but right now my "Useful Tips" list is at work..

pdq67



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