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Bell Housing to engine torque specs

Posted By 312YBlock Last Year
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312YBlock
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Does anyone have torque spec for bell housing bolts to engine on 312 T-Bird. I checked the shop manual but no luck, or I’m looking in the wrong place.

1955 312 T-Bird Warwick, NY
DryLakesRacer
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3/8” 16 threads per inch: Grade 2 is 20 grade 5 is 31 for an unplated cap screw. I would also  use a split lock washer. 

56 Vic, B'Ville 200 MPH Club Member, So Cal.
312YBlock
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Thanks DLR 😊

1955 312 T-Bird Warwick, NY
Ted
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Minor correction here as Ford Y bellhousing bolts are 7/16-14.  The generally recommended torque specs for 7/16-14 are as follows.

Grade 2 - 32 lb/ft
Grade 5 – 49 lb/ft
Grade 8 – 70 lb/ft


Lorena, Texas (South of Waco)


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Sorry Ted bad assumption on my part.

56 Vic, B'Ville 200 MPH Club Member, So Cal.
312YBlock
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Ted would you know offhand what size/thread count bolts are used for the Transmission to bell housing.

1955 312 T-Bird Warwick, NY
Ted
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It’s 7/16-14 for the bolts holding the transmission to the bellhousing for both the automatic and standard shift transmissions.

Lorena, Texas (South of Waco)


312YBlock
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Many thanks Ted😊

1955 312 T-Bird Warwick, NY


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