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

Transmission to the back?

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Old Nov 21, 2003 | 09:01 AM
  #1  
pecha's Avatar
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From: Eastern Europe
Car: 98 T/A
Engine: ls1
Transmission to the back?

I was wondering if anyone tried or thought of moving the transmission to the back of a car?
I think C5 has it this way: an engine, drive shaft, tranny and then rear end.
This is a great move towards perfect weight distribution but question is if it can be done in our cars.
Anyone? thoughts? ideas? possible problems?
P.S. I hope this topic wasn't beat to death B4
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Old Jan 23, 2004 | 09:04 AM
  #2  
pecha's Avatar
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From: Eastern Europe
Car: 98 T/A
Engine: ls1
that's the picture of what I was taslking about, so anyone thought about it? would it be like VERY expensive?
Attached Thumbnails Transmission to the back?-x05ar_ch013-800.jpg  
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Old Jan 23, 2004 | 09:45 AM
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Bandit5's Avatar
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The "torque tube" (got name form Porsche 928) surrounding the driveshaft will take up valuable and unavailable space underneath the car. neat idea though, but I don't think it is feasible.
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Old Jan 23, 2004 | 01:51 PM
  #4  
scottland's Avatar
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From: Phoenix, AZ
Car: '82 Z28
Engine: 350HO
Transmission: M4
ive seen a picture somewhere of a purple thirdgen with a C4 independent rear. i have no idea what it took to pull that off.

probably a re-located fuel cell.
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Old Jan 23, 2004 | 02:50 PM
  #5  
TKOPerformance's Avatar
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From: Newark, DE
Car: '86 Camaro, '02 WRX, '87 K5, '67
Engine: 350 TPI, 2.0turbo, 383 in the works, 289-4BBL, 232, A-head 4-cylinder
Transmission: T56, 5-speed, 700R4, C4, T176, semi-auto 2-speed
Axle/Gears: 3.73, 3.90, 4.88, 3.55, 3.54, 7.00
How much money do you have? Anything can be done, but the cost involved in this type of radical surgery is going to be extreemely expensive to ensure that the car is "rigth" after all the work is done. Basically you are talking about completely re-engineering the rear half of the car. All the suspension pickup points need to be researched and properly reinforced. A ton of fabrication is involved. The C5 transaxel and suspension is going to set you back a pretty penny too.

I'd rather go with aluminum heads, a fiberglass hood, and other front end lightening components to reach the 50/50 weight split. Another option would be using coilovers, so that you can adjust the corner weights by adjusting the static ride height.

BTW, the torque tube idea is way older than the 928 Porsche (sweet car though). The Model T-Ford used one.
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Old Jan 23, 2004 | 03:10 PM
  #6  
pecha's Avatar
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From: Eastern Europe
Car: 98 T/A
Engine: ls1
Money - heh...
Is it even possible to get a 50/50 weight distribution in a fbody leaving a drivetrain as it is?
Or if not how close to acomplishing this goal can you get?
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Old Jan 23, 2004 | 04:52 PM
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
I don't know if you could ever get a true 50/50 but you can get pretty close. The weight distrabution isn't that bad in our cars. The motor sits pretty far back and the tranny is almost at the center of the car. The weight of the rear end helps balance everything out. It would be neat to see how close guys are with aluminum heads, radiator and various other weight reductions.
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Old May 2, 2004 | 12:09 PM
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From: Jax, Florida
Car: 1986 Trans Am
Engine: 305 LB9 TPI
Transmission: 700-R4
oh my ***, at first i was getign ready to laugh at that, until i saw the pic. I guess you learn something new every single day.
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