How much power can a 9 bolt handle?
Thread Starter
Member
Joined: Feb 2002
Posts: 317
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From: WI
Car: 1989 GTA
Engine: LS1
Transmission: T56
Axle/Gears: 9bolt 3.27s
How much power can a 9 bolt handle?
Thats the question. What kind of power are you guys putting to your 9 bolt? What does it cost to uprade it?
Supreme Member
iTrader: (1)
Joined: Mar 2001
Posts: 2,181
Likes: 1
From: Cherry Hill, NJ
Car: 92 Trans Am 'Vert
Engine: 305 TPI
Transmission: 5 Speed
9 bolts hold up pretty well. I dont have any numbers, but I can tell you that in 91k miles, 1 tranny, and 1 engine later, the origonal 9 bolt is still doin just fine!!!
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
The posi will wear out before the unit breaks. There are Turbo Trans Am owners in the 11's still using their original 3.27 9-bolt with no problems. Their only downside is the scarcity of them makes the pricer higher.
Senior Member
iTrader: (1)
Joined: Sep 2000
Posts: 543
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From: long island
Car: 90 Formula, 02 ws6
Engine: 305 tpi, ls1
Transmission: 700r4, t-56
Axle/Gears: stock posi 2.73, 12 bolt with 4.11s
you can rebuild yours
look through the tech articals on this page you will find what you arew looking for
look through the tech articals on this page you will find what you arew looking for
Senior Member
Joined: Jul 1999
Posts: 931
Likes: 0
From: Mpls, MN USA
Car: 88 Camaro
Engine: 427 BBC
Transmission: T400
They can be shimmed to a point (GM procedure calls for a max shim of .010, anymore and the cones may be bottomed out.) I have new 9 bolt stuff available at www.9bolt.com
Miles
www.9bolt.com
Miles
www.9bolt.com
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