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Torque Arm Question

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Old Dec 18, 2008 | 08:22 AM
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I was wondering if having the correct pinion angle set up on the torque arm would help reduce the chances of brake wheel hop. What should the pinion be set at, i have stock height with 25" tall tires?
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Old Dec 20, 2008 | 12:20 AM
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you are having wheel hop under braking?
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Old Dec 20, 2008 | 12:46 AM
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i have been told that people with tunnel mount torque arms have had problems with brake wheel hop and im going to get mine installed in a week or so
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Old Dec 20, 2008 | 01:07 AM
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i believe it should be set at -2 but i could be wrong...
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Old Dec 20, 2008 | 09:36 AM
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Maybe this will help.
Attached Files
File Type: pdf
Pinion Angle.pdf (26.9 KB, 172 views)
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Old Dec 20, 2008 | 10:14 AM
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Originally Posted by Formulals187
i have been told that people with tunnel mount torque arms have had problems with brake wheel hop and im going to get mine installed in a week or so
I have a tunnel mount spohn, pinion set at -2 degrees.. I have no issues with brake wheel hop..
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Old Dec 20, 2008 | 11:55 AM
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Originally Posted by OIF1VET
I have a tunnel mount spohn, pinion set at -2 degrees.. I have no issues with brake wheel hop..
what size are your back tires that its set for?
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Old Dec 20, 2008 | 01:21 PM
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I don't think the size of the Back Tires are really going to affect how the Axle is sitting..
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Old Dec 20, 2008 | 01:26 PM
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yeah. your rear tire size shouldn't have any affect. it's all about how the axle sits in conjunction with the rest of the suspension.
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Old Dec 20, 2008 | 02:22 PM
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so any recommendations for stock ride height? spohn told me about -1 that sound about right?
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Old Dec 20, 2008 | 03:50 PM
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most guys set it at -2 to start out with.
my car is lowered and the only stock piece back there is the phb which i need to get lol and my tq arm is the aj edelbrock and its set at -1/2 and my car hooks good at the track if i heat up my nittos good and there 275/40/17's.
since your not lowered go with -1 that should work.
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Old Dec 20, 2008 | 04:08 PM
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I'm at -2.5
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Old Dec 20, 2008 | 04:28 PM
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I don't think being lowered calls for a different pinion angle, sure lowering will change it slightly. The -# is so that underload it will, in theory, be closer to 0 degrees.

Mines at -2 and Im lowered w/ the heater hose mod.
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Old Dec 20, 2008 | 05:33 PM
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whats the heater hose mod?
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Old Dec 21, 2008 | 03:21 AM
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Taking the Isolaters out of the Rear Springs, and slipping some Heater Hose over the top Coils of the Spring. It lowers the Car about half an inch.
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