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"-
77 Vega Estate wagon- project(someday)will have TPI305/T-5, S-10 spindles/axles
72 Vega HB Drag Car -383/'Glide/9"(9.35@146.19)(5.94@117.28 1/8th)
76 Vega GT- 400/4spd/9" retired from active duty(rusty)
03 Silverado 2WD ex.cab (work truck/parts hauler)
04 Silverado 2WD ex.cab (retired)
06 Haulin' 20ft enclosed car transporter
93 Suburban- 350/4L60(retired)
00 Saturn SW2- wife's car
01 Saturn SC2- younger son's project
00 Saturn SL2- daughter's car
98 Saturn SW2- spare
and 3 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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