Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks


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Head bolt tork spec
#381162 12/30/16 05:18 PM
Joined: Oct 2016
Posts: 26
Mukwonago, Wi
Barbj Offline OP
Grease Monkey
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Barbj
Grease Monkey
Joined: Oct 2016
Posts: 26
Mukwonago, Wi
Does anyone know the head bolt tork spec for 1927 LM truck?
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Re: Head bolt tork spec
Barbj #381168 12/30/16 06:24 PM
Joined: Apr 2006
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San Leandro, CA
Rustoholic Offline
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San Leandro, CA
Before you torque down the head bolts, make sure that none of them are stretched. If a bolt is stretched, it could mess up the threads in the block and might break off as you tighten it down.

As per the thread below, torque the bolts to 55-60 Ft Lbs. if new Bolts. Old bolts = 50-55 Ft Lbs. Also, I think the shop manual talks about the order in which you tighten the bolts.

Cheers, Dean

vccachat.org/ubbthreads.php/ubb/showflat/Number/370705

Dean 'Rustoholic' Meltz
old and ugly is beautiful!
Re: Head bolt tork spec
Rustoholic #381178 12/30/16 10:07 PM
Joined: Oct 2016
Posts: 26
Mukwonago, Wi
Barbj Offline OP
Grease Monkey
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Barbj
Grease Monkey
Joined: Oct 2016
Posts: 26
Mukwonago, Wi
THANK YOU for very helpful!

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