difference in weight between 700r4 and t56

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Mar 10, 2001 | 10:22 AM

mike89z

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From: Boston , MA

Car: 89 Iroc-Z

Engine: 355

Transmission: 700R4

difference in weight between 700r4 and t56

Does anyone konw the weights of these two trannies?

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355 10:1 , AFR 190 heads, LT4 HOT cam w/ 1.6 roller rockers, complete Superram intake, 58mm BBK TB, 24# injectors, screens out of MAF, MAT relocated, March underdrive pulleys, Streetdampner, Crane HI-6 ignition, 160 thermostat, K&Ns, TES headers(Jet hot coated), Mufflex 4' cat back, B&M shift Kit, 2500 converter, and 3.27s.

Mar 10, 2001 | 10:28 AM

The ODB

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From: Belleville, IL USA

700R4 = 135 lbs dry (depends on case)
the 4X4 case is slightly heavier.

the stock torque converter is approx 45 lbs drained.

Mar 10, 2001 | 11:40 AM

mike89z

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Joined: Jul 1999

Posts: 188

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From: Boston , MA

Car: 89 Iroc-Z

Engine: 355

Transmission: 700R4

What about the T56?
And I would like to know the total weight of the 700r4 complete with fluid and all.
I want to know how much wieght is saved with a manual vs auto

Mar 10, 2001 | 04:12 PM

The ODB

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From: Belleville, IL USA

I've never had a T56 on the scales but I don't think it saves any weight.

Apr 15, 2001 | 03:14 PM

Greg

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Posts: 268

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From: Indianapolis, IN

Car: 89 Formula T-Top

Engine: 388 MiniramII

Transmission: T-56

Axle/Gears: 3.27

Sorry to bring up an old topic but I did a search for the T-56 weight and someone said it is 125-133 lbs. Is the 700R4 going to be about 170 lbs complete or is it more than that? I'm hoping to make my car lighter with the swap too.

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'89 Formula 383 TPI

Apr 15, 2001 | 09:37 PM

88 350 tpi formula

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From: WI,USA

Car: 89 FORMULA 350, 91 Z28 Convertible

Engine: ls1, LB9

Transmission: t56, Auto

Axle/Gears: S60/ 3.73

I am not sure on the t56 but, on the t-5 some one got the weight of every thing (fly wheel, pressure plate, pedals so on) and compared it to the 700-r4 and they came out very close to the same weight.