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340 T/A Rocker Shaft Torque ? #2976901
10/21/21 05:21 PM
10/21/21 05:21 PM
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Ohio
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B5TA Offline OP
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B5TA  Offline OP
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Ohio
Hey guys im a little baffled on this,
service manual says 318-340 torque to 210 in. pounds.
the tightening reference says rocker shaft bracket bolt 25 ft. pounds .

so, any idea what it should be, Do the T/A shaft take a different size bolt from a regular 340 ? Thanks, Kevin

Re: 340 T/A Rocker Shaft Torque ? [Re: B5TA] #2976934
10/21/21 07:12 PM
10/21/21 07:12 PM
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Bend,OR USA
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Cab_Burge Online work
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Bend,OR USA
I think the Mopar factory service manuals call for 23 Ft. Lbs.. I convert that to inch lbs. (12x23 Ft. Lbs. =276 inch lbs.) and use a inch lb. torque wrench to torque them down several times to make sure the fasterners are stretch as tight as they will stay at wrench scope twocents


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: 340 T/A Rocker Shaft Torque ? [Re: Cab_Burge] #2977089
10/22/21 01:43 AM
10/22/21 01:43 AM
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crackedback Offline
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200 inch pounds, about 17 ft lbs


25ft will snap bolts

look up torque specs for 5/16 bolts. iirc, a grade 8 is 20 max


they are not 3/8 like one of the popular sources claim

Re: 340 T/A Rocker Shaft Torque ? [Re: B5TA] #2977095
10/22/21 02:53 AM
10/22/21 02:53 AM
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s. e. pa.
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calrobb2000 Offline
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hi '


200 in lb for sure !


multiplying by 12 does NOT give correct value !

Re: 340 T/A Rocker Shaft Torque ? [Re: crackedback] #2977777
10/24/21 07:08 AM
10/24/21 07:08 AM
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New Jersey
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Claw57 Offline
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New Jersey
Originally Posted by crackedback
200 inch pounds, about 17 ft lbs


25ft will snap bolts

look up torque specs for 5/16 bolts. iirc, a grade 8 is 20 max


they are not 3/8 like one of the popular sources claim




Agree. (DAHIK).


Because I like it that way.






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