Manual Transmission Fluid

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Apr 18, 2004 | 12:51 PM

Rabbitt

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Joined: Apr 2004

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From: Boscobel, Wisconsin

Car: 1987 Iroc-Z

Engine: 355

Transmission: 700r4 w/ about 7500 miles on rebuild

Manual Transmission Fluid

Does anyone know what exact type of fluid the manual tranny in my 1987 2.8 takes? and how much?

Apr 18, 2004 | 01:04 PM

MdFormula350

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Joined: Nov 2001

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From: Maryland; USA

https://www.thirdgen.org/techbb2/sho...t=manual+fluid

https://www.thirdgen.org/techbb2/sho...t=manual+fluid

https://www.thirdgen.org/techbb2/sho...ht=t5%2A+fluid

https://www.thirdgen.org/techbb2/sho...ht=t5%2A+fluid

Apr 18, 2004 | 01:04 PM

84 Z28 5.0 HO

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Joined: Feb 2003

Posts: 109

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From: Avon Lake, OH

Car: 84 Camaro Z28

Engine: 305 L69

Transmission: 700r4

It takes regular ATF 3, If you put gear oil in it, the gears will be hard to engage and the trans will wear out quicker. Open the fill plug and fill until fluid comes out. I think it's about 2.5-3.0 qt. But thats not 100%

Last edited by 84 Z28 5.0 HO; Apr 18, 2004 at 01:08 PM.

Apr 18, 2004 | 02:14 PM

Rabbitt

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Supreme Member

Joined: Apr 2004

Posts: 1,002

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From: Boscobel, Wisconsin

Car: 1987 Iroc-Z

Engine: 355

Transmission: 700r4 w/ about 7500 miles on rebuild

thanx loads... lol, i figured it would be quicker and easier just to ask than to find out on my own.. thanx a lot

Apr 18, 2004 | 06:02 PM

Pablo

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Car: Turbo Buick

Engine: 3.8 V6

wc t5 takes ATF

non WC takes gear oil

different synchro pads (or whatever they are called)

Apr 19, 2004 | 04:28 AM

ede

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Joined: Aug 1999

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From: Jackson County

i've run amsoil gear oil in wct5 with no problems. went from around 80,000 miles to 135,000. it might of been ready to break but never did. no problems with shifting or anything else.

Apr 19, 2004 | 08:15 AM

SSC

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Joined: Jul 2001

Posts: 3,974

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From: Pueblo Co

Car: 1989 C4

Engine: L98

Transmission: 700r4

Axle/Gears: 307

Ive also used gear oil in my "2nd gen wcT5" with no problems.
As of now I'm using syncromesh and cold shifts are a tad easyer.
I'd reccomend all T5's that require ATF to be switched over to full synthetic GM Syncromesh, its a much better fluid then any ATF, service intervals will be decreased and transmission life will increase.........usually.....................