Suspension and Chassis Questions about your suspension? Need chassis advice?

torque arm & wheel hop question

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Old 06-30-2010, 11:51 PM
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Car: 1988 IROC-Z
Engine: L98 - full intake & exhaust boltons
Transmission: Bowtie 700r4, 2400 rpm stall
Axle/Gears: Borg-Warner 9bolt, 3.45 gears, posi
torque arm & wheel hop question

Which company makes a torque arm will fit a car with a borg warner 9 bolt rear? Most of the companies that I have found only list that their torque arms fit cars with 10bolt rears.

I've got a horrible wheel hop problem and I am hoping that this will fix the problem. I already have hotckis panhard bar, hotckis sub-frame connectors and, hotckis lower control arms installed.
Old 07-01-2010, 12:08 AM
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Re: torque arm & wheel hop question

i put a borg warner 9 bolt in to my 84 camaro and used a torque arm for a 10 bolt. http://www.summitracing.com/parts/EDL-5282/ , i did have to cut a small 1"x1" peace out of where it mounts to the diff to clear a lip on the diff. other then that every thing else was the same and bolted rit up.
Old 07-01-2010, 11:05 AM
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Re: torque arm & wheel hop question

The 9 bolt has the same torque arm mount as the 10 bolt. They should all work.
Old 07-01-2010, 11:30 AM
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Car: 1988 IROC-Z
Engine: L98 - full intake & exhaust boltons
Transmission: Bowtie 700r4, 2400 rpm stall
Axle/Gears: Borg-Warner 9bolt, 3.45 gears, posi
Re: torque arm & wheel hop question

Thanks guys thats good to know they will work on both axles. Which companies make the good products?
Old 07-01-2010, 11:36 AM
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Car: 1987 firebird
Engine: 1995 lt1 383
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Re: torque arm & wheel hop question

I am soory to say that a torque arm is only a small piece to your puzzle and I would not even call it the first piece. IMO I would start with control arm relocation brackets and get you control arms sloped properly to plant the tires into the ground.
Old 07-01-2010, 11:47 AM
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Car: 1988 IROC-Z
Engine: L98 - full intake & exhaust boltons
Transmission: Bowtie 700r4, 2400 rpm stall
Axle/Gears: Borg-Warner 9bolt, 3.45 gears, posi
Re: torque arm & wheel hop question

Hopefully that will help fix things. I am going to have new shocks and bushings put on the car soon in addition to a new torque arm.
Old 07-10-2010, 07:43 PM
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Re: torque arm & wheel hop question

im running a bmr non adjust torque arm on my 9 bolt.. works great... much less nose dive, more solid and better traction and take off....
Old 07-10-2010, 09:15 PM
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Car: 1988 IROC-Z
Engine: L98 - full intake & exhaust boltons
Transmission: Bowtie 700r4, 2400 rpm stall
Axle/Gears: Borg-Warner 9bolt, 3.45 gears, posi
Re: torque arm & wheel hop question

Thats good to know. I found out my wheel hop problem was not from the arm but the rear shocks are shot. I am using this as an excuse to rebuild the suspension now. I'm not surprised its worn out I still have the original shocks on the car and a lot of miles.
Old 07-10-2010, 10:11 PM
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Car: 1984 Z28
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Re: torque arm & wheel hop question

I personally would get the UMI unit, but

I think you'll find UMI, Sphon, and BMR all make satisfactory products. It's more preference with these brands.The jegs piece is good for a drag car, but if you don't want to suffer adverse handling under heavy braking it may not be the best choice. Also, replace the lcas, add relocation brackets. The torque arm only handles a part of the rearends movement.
Old 07-10-2010, 10:16 PM
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Car: 1988 IROC-Z
Engine: L98 - full intake & exhaust boltons
Transmission: Bowtie 700r4, 2400 rpm stall
Axle/Gears: Borg-Warner 9bolt, 3.45 gears, posi
Re: torque arm & wheel hop question

I am looking at that too. I already have a hotckis trackbar and lower control arms and subframe connectors. I am looking at getting poly bushings, hotckis springs, and new shocks.
Old 07-11-2010, 06:42 AM
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Re: torque arm & wheel hop question

Originally Posted by 87350IROC
The 9 bolt has the same torque arm mount as the 10 bolt. They should all work.
You'd think so, but the Edelbrock version at least won't fit the 9-bolt without modification. The differences can be seen in the pics at the end of the following link (note the notch that may be similar to the one j_camaro mentions above):

https://www.thirdgen.org/forums/susp...-upgrades.html

JamesC
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