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Spohn Adjustable Torque Arm Questions

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Old 07-08-2007, 06:51 PM
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Default Spohn Adjustable Torque Arm Questions

I have a Spohn Adjustable torque arm bar with the short crossmemeber mount.I measured the pinion angle and the driveshaft angle and they were both 0 with the tires on the ground.Is there a specific way to measure it? and is 0 fine or should i go to -1.I have a built motor and a turbo on the car and i have Mickey Thompsons 325x50x15 on the car.Im not sure if the tire size may change the pinion angle or not.

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Old 07-08-2007, 08:15 PM
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I've heard alot of people saying -1 to -2...someone recently posted a -5 for their favorite angle. .
Old 07-09-2007, 05:07 AM
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We set them up for a -2 on most cars, meaning the yoke on the rearend is pointed -2 degrees down. Under a load it is going to rotate up. Bob
Old 07-09-2007, 11:57 AM
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I ran my LT1 at -4. I tried all different settings, and -4 gave me the lowest 60 time.
Old 07-09-2007, 07:49 PM
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Originally Posted by Exotic Performance Plus
We set them up for a -2 on most cars, meaning the yoke on the rearend is pointed -2 degrees down. Under a load it is going to rotate up. Bob

I have and angle measure finder or whatever you call it.Do i just measure what the rear angle is and adjust it from there or do i do the driveshaft as well.
Old 07-09-2007, 08:16 PM
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Originally Posted by Turbo Ram Air
I have and angle measure finder or whatever you call it.Do i just measure what the rear angle is and adjust it from there or do i do the driveshaft as well.

Just measure the pionion yoke angle and make it - 2 degrees down.




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