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Balancer Pulley Bolt

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Old Oct 1, 2008 | 11:06 AM
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Default Balancer Pulley Bolt

What is the length of the balancer pulley bolt and what are the torque specs? 327 with 8" balancer.
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Old Oct 1, 2008 | 12:47 PM
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Originally Posted by TX63CONV
What is the length of the balancer pulley bolt and what are the torque specs? 327 with 8" balancer.
Bolt is a 7/16" - 24 TPI (SAE fine thread)

Total bolt length (including head) is 2.550"
Bolt length under head is 2.25"
Flat washer thickness is .312"
Lock washer thickness is ~.040"
Total effective length (with washers installed) ~1.900"

Torque spec is 60 ft-lbs.

Plasticman

Last edited by Plasticman; Oct 1, 2008 at 12:51 PM.
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Old Oct 1, 2008 | 02:50 PM
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Thanks for all the info! I am assuming i can find a Grade 8 bolt that is 2.25...there is an old time hardware store in Dallas that has 100's of bins of every size grade 8 and 5 bolts.
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Old Oct 1, 2008 | 04:16 PM
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Originally Posted by TX63CONV
Thanks for all the info! I am assuming i can find a Grade 8 bolt that is 2.25...there is an old time hardware store in Dallas that has 100's of bins of every size grade 8 and 5 bolts.
betcha won't find the big *** washer. Why not just get a correct balancer bolt kit for the Chebby SB? The entire kit is $6 in zinc link, $12 in black link
from Jegs . . .
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Old Oct 1, 2008 | 05:32 PM
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Thanks! Its on my next summit order list. The only reason I ask, is that I swear I saw those big *** washers at the hardware store and was going to pick one up tonight on the way home.
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Old Oct 1, 2008 | 05:49 PM
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Originally Posted by TX63CONV
Thanks for all the info! I am assuming i can find a Grade 8 bolt that is 2.25...there is an old time hardware store in Dallas that has 100's of bins of every size grade 8 and 5 bolts.
would that be Elliots?
chuck
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Old Oct 1, 2008 | 07:38 PM
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Yep....I understand they have been around forever.
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