Transmissions and Drivetrain Need help with your trans? Problems with your axle?

G-101 4 speed

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Old 09-20-2006, 11:14 AM
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Car: 1991 Camaro 1LE Z28
Engine: 6.0L
Transmission: 4L60E
Axle/Gears: Ford 9" 4.33
G-101 4 speed

Anyone heard anything about the G-Force G-101 4 speed? I'm trashing T-5s like it's my new hobby and am considering a stronger 4-speed alternative.
Old 09-21-2006, 02:49 PM
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Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Got a link?
Old 09-21-2006, 03:12 PM
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Car: 1991 Camaro 1LE Z28
Engine: 6.0L
Transmission: 4L60E
Axle/Gears: Ford 9" 4.33
Originally Posted by Air_Adam
Got a link?
http://g-forcetransmissions.com/tran_g101.asp
Old 09-21-2006, 06:20 PM
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Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
only thing I can say is that i've heard many many bad things about G force recently...
Sounds like a very nice trans. What's the price?

That inline shifter sounds pretty slick, i'll have to look into that...
Old 09-22-2006, 03:44 AM
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Hmmm, never heard of that particular trans, but judging by the picture, it looks like an upgraded version of the Borg-Warner Super T10. I'm sure it's a lot stronger than the T-5 trans. Depending on your budget, you might want to consider a Tremec TKO 5 speed from Fortes Parts Connection. They sell a complete kit for the thirdgens. The TKO is extremely tough and you wouldn't have to sacrifice your overdrive gear.
Old 09-22-2006, 07:15 AM
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Car: 1991 Camaro 1LE Z28
Engine: 6.0L
Transmission: 4L60E
Axle/Gears: Ford 9" 4.33
Originally Posted by Pat Hall
Hmmm, never heard of that particular trans, but judging by the picture, it looks like an upgraded version of the Borg-Warner Super T10. I'm sure it's a lot stronger than the T-5 trans. Depending on your budget, you might want to consider a Tremec TKO 5 speed from Fortes Parts Connection. They sell a complete kit for the thirdgens. The TKO is extremely tough and you wouldn't have to sacrifice your overdrive gear.
What is the TKO rated at? Because ultimately, I will need a gearbox that will withstand 750-800 rwhp.
Old 09-22-2006, 08:35 AM
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Axle/Gears: Behind me somewhere
Pretty familiar trans, if you spend a little time at the strip, and look up under some of the cars in the Pro Stock type of classes.... although I'm hearing that people are switching away from it nowadays, that one is no longer the gearbox of choice.

It's DEFINITELY NOT a drop-in for a T-5 in a street car.

I'd suggest a T-56. Think of it as a 4-speed with 2 overdrive gears added.
Old 09-22-2006, 09:04 AM
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Car: 1991 Camaro 1LE Z28
Engine: 6.0L
Transmission: 4L60E
Axle/Gears: Ford 9" 4.33
Originally Posted by sofakingdom
Pretty familiar trans, if you spend a little time at the strip, and look up under some of the cars in the Pro Stock type of classes.... although I'm hearing that people are switching away from it nowadays, that one is no longer the gearbox of choice.

It's DEFINITELY NOT a drop-in for a T-5 in a street car.

Yeah, I realize this, but I know that early third gens came with T-10s and I figured there's probably a way to make it work without tearing up my tunnel too much. It's a street/strip car.

I'd suggest a T-56. Think of it as a 4-speed with 2 overdrive gears added.
Who makes a t-56 that would be able to withstand the power I'll be putting to it?
Old 09-22-2006, 09:16 AM
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Well I guess that would depend on how much power that is...

Tremec makes the T-56. They bought the whole Borg-Warner automotive transmission product line some years back.
Old 09-22-2006, 09:23 AM
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Car: 1991 Camaro 1LE Z28
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Axle/Gears: Ford 9" 4.33
Originally Posted by sofakingdom
Well I guess that would depend on how much power that is...


Tremec makes the T-56. They bought the whole Borg-Warner automotive transmission product line some years back.
400 rwhp on motor and a 400 shot.
Old 09-22-2006, 09:37 AM
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Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
What kind of times is it running?

Why a manual trans, with that much nitrous? That's somewhat of a mismatch.
Old 09-22-2006, 09:46 AM
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Originally Posted by sofakingdom
What kind of times is it running?

Why a manual trans, with that much nitrous? That's somewhat of a mismatch.
I've only been able to hit it with a 150 so far. After two runs on that, I broke.

Ran a 7.04 @98 in the 1/8th with the 150.

Why a manual? I like them a lot better.
Old 09-22-2006, 02:12 PM
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Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
T56 would be a good choice, they are quite strong. Especially the Viper T56, although I'm not sure if it can be used on a SBC or not?
Old 09-23-2006, 12:30 AM
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Originally Posted by drag1LE
What is the TKO rated at? Because ultimately, I will need a gearbox that will withstand 750-800 rwhp.
I bought a standard TKO trans from another board member, and he had it behind a twin turbo 406 that dynoed 762 RWHP. Mine's the older version. The new ones are the TKO 500 and TKO 600, and they're rated at 500 ft. lbs. and 600 ft. lbs. respectively. If you decide to go with a T56 just make sure to get the viper internals and the billet steel synchro keys. I've read that the factory synchro keys are one of the weak points in those trannys. Either the TKO or the T56 with a few upgrades should handle the power you'll be making pretty well.
Old 09-23-2006, 04:11 AM
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i saw in one of the hot rod mags like 2 months ago in the new parts section they now make a t56 that will handle 1000 hp , i think it was like 4k for the tranny though , but they do make a t56 that will handle it .
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