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9" vs 12 bolt
This is a discussion on 9" vs 12 bolt within the Drivetrain forums, part of the LSx Technical Help Section category; Very good info & pics!!...
06-20-2011, 03:16 PM #101
Very good info & pics!!Don't be afraid of the bottle!!! Be afraid of your tune!!!
06-22-2011, 03:51 PM #102
Midwest chassis here. I would recommend to anyone. Also have a short torque arm with the tsp true duals because MWC builds the mount and fit great.
06-22-2011, 04:20 PM #103
I probably already posted in here but I have a Strange 12 bolt and I couldn't be happier. I bought it used and spent about $1,300 on it total. It's strong enough for over the 500 rwhp that I am putting through it. I drive the car everyday with 315 MT drag radials. It hooks (doesnt spin) at over 3K launches and has never complained. I got a modified posi (setup as a locker) with 4:10s. IMO, for the average street car (which is what 90% of the guys on here have) a 12 bolt is good enough and far less expensive. Lets put it this way, a 12 bolt isnt overkill and will do the job just fine.
Last edited by 9t8z28; 06-22-2011 at 04:24 PM.
06-22-2011, 04:29 PM #104
For the folks with 9's...are they prone to some gear whine. I just installed one in my car and there is some gear whine. Is it possible with the short torque arm mounted to the tunnel brace that more noise is transfered to the inside of the car?
06-22-2011, 05:03 PM #105
The 9" rears are less prone to gear whine though due to their design. Its all the the way it was setup though.
Last edited by 9t8z28; 06-22-2011 at 05:05 PM.
06-22-2011, 05:20 PM #106
06-22-2011, 05:26 PM #107
06-22-2011, 05:28 PM #108
06-22-2011, 09:16 PM #109
- Join Date
- Jan 2006
- The great red state of MD.
- 2001 Trans Am (sold)
Sold my tunnel mounted torque arm cause of the noise.
06-22-2011, 09:29 PM #110
As for the thread, I have a Moser 9" with the TruTrac and I've had zero issues with it thus far other than an initial axle seal leak that I solved myself with some patience, homemade tool, and RTV. I'll be really putting it to the test though as I just finished up my FI build.
07-08-2011, 01:47 PM #111
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