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Torque Arm Angle.

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Old 12-20-2007, 12:10 PM
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Default Torque Arm Angle.

What is the optimum Angle for a Torque Arm or just a good place to start? I'm installing a new Adjustable (tranny mount) TA?
Old 12-20-2007, 12:19 PM
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heres a good link for pinion angle
https://ls1tech.com/forums/showthrea...t=pinion+angle
Old 12-20-2007, 01:02 PM
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That was a little confusing. I due have a 1.5" drop though I'm sure that needz to be taken account for. I'll contact UMI the manufacturer like the thread started out and let them start me out. Thankz
Old 12-20-2007, 02:31 PM
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I have gone with a 2.5 to a 3.0 negative pinion angle..works fine on street and drags.
Old 12-20-2007, 05:58 PM
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What lower control arms do you have ? If you have rod /rod end I would run about -1.5 pinion angle and if you have poly/poly lower control arms I would run about -2.5.

As far as the torque arm if you have a umi is it a tunnel mount with 2 holes?

Do you have lower control arm relocation brackets?

If you don't have relocation brackets I would try the top hole in the torque arm.

If you have relocation brackets I would use the bottom hole and start with the bottom hole on the torque arm to start with.
Old 12-21-2007, 08:52 PM
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I have Lakewood LCA's tubular non-adj. and the TA is tranny mounted.
Old 12-21-2007, 08:53 PM
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omcar is your car lowered?
Old 12-21-2007, 10:01 PM
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my car is lowered they say that if your car is an auto go with -2 if its a m6 then -3 i think.... you would be better lookin in the susp. section
Old 12-22-2007, 12:57 PM
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Originally Posted by SoCalZ28
What city are you in the 805?
Old 12-22-2007, 01:36 PM
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My car is not lowered. I have Hotchkis LCAs, QA1 adjustables and a Random Tech torque arm set at 3 degrees negative pinion angle. I get 1.57 60's with a 3,600 vig and 3.73s.
Old 12-29-2007, 11:53 AM
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Stall i need a stall.
Old 12-29-2007, 12:41 PM
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My car is lowered and an a4 with a 4400 stall. I have a UMI trans mounted torque arm set at -2.5, and I have double rod ended LCAs with the relocation brackets. I have gone 1.47 60fts with an 8" slick.
Old 12-29-2007, 10:42 PM
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Thatz what I'm talkin about Matt D. Which hole are u using on the relocation brackets?
Old 12-30-2007, 01:39 PM
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Originally Posted by SHARKZ33
Thatz what I'm talkin about Matt D. Which hole are u using on the relocation brackets?
I have them on the lowest hole (closest to the ground)




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