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Author Topic: 1985 Celica GT-S manual trans fluid  (Read 312 times)

Offline iamareplicant

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1985 Celica GT-S manual trans fluid
« on: Apr 06, 2022, 07:16:26 pm »
What manual transmission fluid should I use for my 1985 Celica GT-S 5speed?

Thanks in advance.

Offline twotone_ra64

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Re: 1985 Celica GT-S manual trans fluid
« Reply #1 on: Apr 07, 2022, 04:52:18 am »
Your favorite flavor of 75w90 gear oil. :) My personal fav is Royal Purple.
Celica the '84 Two-tone RA64 - Phase 2 In Progress! (159k); 1UZ-FE V8 Swap, W58 5-speed swap, Koni x Swift x T3 suspension, 6G Celica seat belts, TRD 2-way LSD, Corolla tape deck
Mia the '91 Miata - Revived Twice! (264k); BP-5A 1.8L swap, an NB in NA clothes
Lily the '95 Prelude SR/b] - The VTEC Daily (238k)
1981 Honda CB750C - Crispy Revival
1974 Suzuki TC100 - The Barn Find!!

Offline iamareplicant

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Re: 1985 Celica GT-S manual trans fluid
« Reply #2 on: Apr 07, 2022, 05:17:45 pm »
Much appreciated. Can I use the same royal purple 75/90 in the diff?

Offline twotone_ra64

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Re: 1985 Celica GT-S manual trans fluid
« Reply #3 on: Apr 07, 2022, 05:30:28 pm »
That's fine too! You can go slightly thicker in the diff if you'd like, like 80w90.
Celica the '84 Two-tone RA64 - Phase 2 In Progress! (159k); 1UZ-FE V8 Swap, W58 5-speed swap, Koni x Swift x T3 suspension, 6G Celica seat belts, TRD 2-way LSD, Corolla tape deck
Mia the '91 Miata - Revived Twice! (264k); BP-5A 1.8L swap, an NB in NA clothes
Lily the '95 Prelude SR/b] - The VTEC Daily (238k)
1981 Honda CB750C - Crispy Revival
1974 Suzuki TC100 - The Barn Find!!

Offline iamareplicant

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Re: 1985 Celica GT-S manual trans fluid
« Reply #4 on: Apr 07, 2022, 07:11:09 pm »
Much obliged.