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Torque specs for flex plate and converter bolts #137815
10/16/08 10:16 PM
10/16/08 10:16 PM
Joined: Jan 2003
Posts: 4,243
Canada
Kam*Kuda Offline OP
master
Kam*Kuda  Offline OP
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Canada
Anyone know the torque specs for the flex plate and torque converter bolts. It is an 8 bolt crank


1970 Barracuda Convertible
1968 Satellite Street Strip car
1654.5 Mustang
1955 Land Rover
Re: Torque specs for flex plate and converter bolts [Re: Kam*Kuda] #137816
10/17/08 10:07 AM
10/17/08 10:07 AM
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Canada
Kam*Kuda Offline OP
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Kam*Kuda  Offline OP
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Posts: 4,243
Canada
anyone can help?


1970 Barracuda Convertible
1968 Satellite Street Strip car
1654.5 Mustang
1955 Land Rover
Re: Torque specs for flex plate and converter bolts [Re: Kam*Kuda] #137817
10/17/08 10:20 AM
10/17/08 10:20 AM
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VA
DAMOPARS Offline
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DAMOPARS  Offline
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VA
Flywheel/flexplate bolts------------55ft.lbs
Flywheel housing to engine block bolts--50ft.lbs
Flexplate to torque converter bolts---270in.lbs

Re: Torque specs for flex plate and converter bolts [Re: Kam*Kuda] #137818
10/17/08 11:00 AM
10/17/08 11:00 AM
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Posts: 11,543
chicagoland,usa
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buildanother Offline
I Live Here
buildanother  Offline
I Live Here
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Joined: Aug 2005
Posts: 11,543
chicagoland,usa
Last 8 bolt crank flange I messed with was a stroker 440 crank and it had 1/2 inch bolts IIRC, so I torqued to hemi flange specs. Torque converter will depend on 5/16 or 7/16 sizes.

Re: Torque specs for flex plate and converter bolts [Re: buildanother] #137819
10/17/08 12:02 PM
10/17/08 12:02 PM
Joined: Jan 2003
Posts: 4,243
Canada
Kam*Kuda Offline OP
master
Kam*Kuda  Offline OP
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Canada
The converter bolts are 7/16ths


1970 Barracuda Convertible
1968 Satellite Street Strip car
1654.5 Mustang
1955 Land Rover
Re: Torque specs for flex plate and converter bolts [Re: Kam*Kuda] #137820
10/17/08 03:42 PM
10/17/08 03:42 PM
Joined: Jan 2003
Posts: 25,785
Rio Linda, CA
John_Kunkel Offline
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John_Kunkel  Offline
Too Many Posts

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Posts: 25,785
Rio Linda, CA

For the 8-bolt flange the FSM recommends 70 ft. lbs. on the crank bolts and 65 ft. lbs. on the converter bolts but I don't think there's enough thread engagement for 65 ft. lbs. on the converter bolts, I would tighten them by feel with red Loctite.


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