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Discussion Starter · #1 ·
ok, this is not really a dart (or mopar) related question, but it could be i think (a similiar setup could be used on one). it has to do with rear axle setups. my rx7 in the rear is IRS setup, the rear is pretty strong and able to hold 500+ ftlbs of torque, BUT the gearing is 4.10 and for a street car with an auto that means really bad gas mileage/high crusing rpms. so this place that specializes in v8 conversions for rx-7s is coming up with a torque arm suspension setup.

here are some pictures of the initial setup, i do not think it has been setup in a car as of yet so no testing numbers are out there. the axle in the pictures is an 8.8 they seem to really like the 8.8 setup for some reason. i plan on using 8 3/4 or dana 60 for my rearend.







now, how will that perform compared to an IRS and compared to a 4-link (which i plan on going with)

here is a thread with the discussion about the setup.
http://www.torquecentral.com/showthread.php?t=35788&page=2

and the website of the shop making the rear with details/specs
http://members.tripod.com/~grannys/TASAconversion.html

any and all input is appreciated.
 

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They like the 8.8's because they are 1. A dime a dozen, literally. 2. Have/come with available disc brakes, no need for swapping parts. 3. Have a wide range of gears available for them.

As to that set-up. Looks just like a ladder bar set-up just squeezed together in the middle instead of the arms out where the links usually are attached. performance will be no better or worse than a ladder bar set-up of the normaly assembled variety. As to the difrence to your car, if you drive it on the street at all, don't expect the same handling as you had originally, it will not be the same.
 

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Discussion Starter · #3 ·
i guess the main thing is im wondering how the torque arm setup compares to a 4link (which i plan on doing)handling wise. everyone always bashes 4link for cornering/handling ability just how bad is it?

the guys in the torque central link i posted is acting like its the next coming of jesus of suspension for our cars.
 

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Late model Camaro's use a tourqe arm. Maximum Motorsports has a kit for road racing Mustangs that is pretty good setup http://www.maximummotorsports.com/

You have to run a panhard bar or watslink to keep the rear centered with the tourque arm setup.
 
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