TALLER GEARS FOR A BORG WARNER 9 BOLT?
10-03-2008, 02:13 PM
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TALLER GEARS FOR A BORG WARNER 9 BOLT?
I have an '89 IROC-Z with the 350 tuned port in it, mostly stock. It has the standard Borg Warner 9 bolt rear end with 2.77 gears. I was wondering if there was any taller gear sets out there for that rear end? So far I haven't been able to find any. Please let me know.
10-03-2008, 02:25 PM
#2
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Car: 1987 Black IROC-Z (SOLD)
Re: TALLER GEARS FOR A BORG WARNER 9 BOLT?
You are SOL unless you can find a 3-series carrier. Then your choices are still limited to 3:27,3:45, 3:70 & 3:73.
10-03-2008, 02:28 PM
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Car: 89 Formula
Engine: 383 SBC/HSR
Transmission: 700R4
Axle/Gears: 3.73
Re: TALLER GEARS FOR A BORG WARNER 9 BOLT?
The carrier would need to be changed to be able to lower your gears, I just noticed that. I believe you have a 2-series carrier. Last edited by heat seeker; 10-03-2008 at 02:31 PM. Reason: Automerged Doublepost
10-03-2008, 02:32 PM
#4
Re: TALLER GEARS FOR A BORG WARNER 9 BOLT?
www.9bolt.com
http://ratech.stores.yahoo.net/79bogmax.html
Between these two you should be fine!
----------
Do a quick search for 9 bolt on here. There was a thread not too long ago that listed a few more sites to get parts.
http://ratech.stores.yahoo.net/79bogmax.html
Between these two you should be fine!
----------
Do a quick search for 9 bolt on here. There was a thread not too long ago that listed a few more sites to get parts.
Last edited by dctrumpet; 10-03-2008 at 02:35 PM. Reason: Automerged Doublepost
10-20-2008, 05:16 PM
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Car: 1988 GTA
Engine: 5.7
Transmission: 700R4
Re: TALLER GEARS FOR A BORG WARNER 9 BOLT?
If I already have 3:27 gears and wanting more, Do I have the carrier I need?
10-20-2008, 07:06 PM
#6
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Car: 86 T/A
Engine: 383
Transmission: 700R4
Axle/Gears: 3.27 9 bolt
Re: TALLER GEARS FOR A BORG WARNER 9 BOLT?
The 3.27 would be a series-3 carrier. You can also find ring and pinion sets at Randys Ring & Pinion: http://www.ringpinion.com/PartsList....b-Differential
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10-21-2008, 12:34 PM
#8
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Re: TALLER GEARS FOR A BORG WARNER 9 BOLT?
MotiveGear.com has BRAND NEW ring and pinion sets for the Borg-Warner 9 bolt. I just bought a 3.7 set.
10-22-2008, 04:24 PM
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Car: 1987 Trans Am
Engine: 383
Transmission: TH400
Axle/Gears: 9 bolt 4.11
Re: TALLER GEARS FOR A BORG WARNER 9 BOLT?
They carry 3.89's also...Which I may try to get and pull these 4.10's back out to sell...I'm going through the traps @ 122mph @ 6600 and I still want to spray a ton more.
10-22-2008, 04:28 PM
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Car: 89 Formula
Engine: 350
Transmission: TH 700R4
Axle/Gears: 3.27
Re: TALLER GEARS FOR A BORG WARNER 9 BOLT?
just an FYI---taller means lower numerically. (ie 2.56 are taller then your 2.77)
Shorter mean higher numerically which is what you want.
Shorter mean higher numerically which is what you want.
10-22-2008, 04:39 PM
#11
Re: TALLER GEARS FOR A BORG WARNER 9 BOLT?
Check these guys out...
JT Differentials
I got my rebuild kit along with my 3.70 Motive/Yukon gears from these guys, ask for Jeremy. Great to deal with and fast shipping.
JT Differentials
I got my rebuild kit along with my 3.70 Motive/Yukon gears from these guys, ask for Jeremy. Great to deal with and fast shipping.
10-22-2008, 11:58 PM
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Car: 89 5.7 IROC/95 LT1 Corvette
Engine: All 5.7's
Transmission: 700R4 (Roessler)/ZF6
Axle/Gears: 10 bolt Zexel 3.23's. CTW 17" wheel
Re: TALLER GEARS FOR A BORG WARNER 9 BOLT?
Wow 9bolt.com is back up! Posi cones! Excellent!
10-23-2008, 12:21 AM
#13
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Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: TALLER GEARS FOR A BORG WARNER 9 BOLT?
Maybe he wants top end speed? With a 6-speed, tall gears still feel good around town.
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