Torque arm length

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Torque arm length

Postby 6475vegaChevy » Thu Jun 25, 2015 7:28 am

I am in the putting a 9'' in my 75 Vega GT,it currently has the factory 4 link,which I would like to change to a torque arm,i have seen different lengths from (stock 39 3/4 to 46 1/2 ) depending on drivetrain (I am using a 350 crate -Turbo 400) what length will work best (plan on building my own) any set up information is appreciated.
Keith
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Re: Torque arm length

Postby spencerforhire » Thu Jun 25, 2015 3:25 pm

You will probably want one of the shorter ones, but you will have to fabricate a front mount for it, as there is no tailshaft for a TH400 that has the mounting holes for the torque arm. I suggest mounting it to the crossmember instead of the trans anyway.
The "fleet"-
72 Vega HB Drag Car -383/'Glide/9"(9.35@146.19)(5.94@117.28 1/8th)
77 Vega Estate wagon- project(someday)will have TPI305/T-5, S-10 spindles/axles
76 Vega GT- 400/4spd/9" retired from active duty(rusty)
06 Silverado 2WD ex.cab daily
03 Silverado 2WD ex.cab (retired)
06 Haulin' 20ft enclosed car transporter
06 GMC Canyon Shop truck
07 Colorado project( 5.3 4L60e swap)
99 Saturn SL1- wife's car
01 Saturn SC2- son's project
07 Saturn Ion Redline project
and 4 more Saturn "parts cars"
Note- the very act of listing all of these has made me realize I have some kind of problem.....

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1972 Chevrolet Vega Hatchback

Re: Torque arm length

Postby 6475vegaChevy » Sat Jun 27, 2015 10:25 pm

Thanks for your help Spencer ! Keith
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