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Thunderbolt 327 torque pattern
#1
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Tribyte
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I have a 53 Clipper that needs a new head gasket, and was wondering if anybody had a torque pattern for the head nuts. I've been able to find torque specifications but not a stud pattern. Any help would be appreciated.

Posted on: 2017/4/2 16:21
1953 Clipper Deluxe Touring Sedan - Work in progress
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Re: Thunderbolt 327 torque pattern
#2
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HH56
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Here you go. Sequence numbers are small but readable

Attach file:



jpg  (196.65 KB)
209_58e16e18c1e53.jpg 1258X1634 px

Posted on: 2017/4/2 16:33
Howard
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Re: Thunderbolt 327 torque pattern
#3
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Tribyte
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Awesome! Thanks

Posted on: 2017/4/2 16:39
1953 Clipper Deluxe Touring Sedan - Work in progress
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Re: Thunderbolt 327 torque pattern
#4
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Owen_Dyneto
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Approach the final torque in several increments and re-torque within a half hour of first startup, again after a few hours, yet again within a year and check it annually thereafter for a couple of seasons.

Posted on: 2017/4/2 18:29
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Re: Thunderbolt 327 torque pattern
#5
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BDC
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Is this torque pattern good for a 38 super 8 as well?

Posted on: 2017/9/15 19:21
I can explain it to you but I can't understand it for you

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Re: Thunderbolt 327 torque pattern
#6
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Owen_Dyneto
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BDC, I'm pretty sure there is a pattern for your 320 cylinder head in Motor's Manual, if not in the Packard service information. But if not, just start in the center and work your way from the center, left-to-right, front-to-back.

PS. Image from Motor's:

Attach file:



jpg  (88.79 KB)
177_59bd2a5f080c9.jpg 384X754 px

Posted on: 2017/9/16 0:18
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