T-56 transmission fluid - Pontiac GTO Forum
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post #1 of 4 (permalink) Old 01-31-2018, 11:58 AM Thread Starter
 
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T-56 transmission fluid

What’s the best transmission fluid I can use? I heard atf is a good one to use
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post #2 of 4 (permalink) Old 01-31-2018, 12:38 PM
 
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Dex III is what it uses but the DexIII license ran out in 2006. GM changed to the GM Genuine Manual Transmission Fluid Part #88861800 .

4.6 quarts filled thru the reverse light sensor on the passenger side of the trans.

Here's a link to fluid on summit. Thats where I got mine from.

https://www.summitracing.com/parts/ADO-10-4033

2006 GTO M6

Motor - Stock with Vararam
Bunch of suspension
Bunch of brakes
Stock tune

365/368 std
12.81 @ 110.6 2.03 60'
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post #3 of 4 (permalink) Old 01-31-2018, 04:31 PM Thread Starter
 
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What about Dexron 6?
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post #4 of 4 (permalink) Old 01-31-2018, 04:41 PM
 
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You're free to run what ever you'd like.

The manual says GM #88861800 for GM T-56 manual transmissions. It's $6.75 a bottle. Do you really want to take a chance putting a random fluid in your trans?

I did mine a year ago and it's still smooth as butter. And I beat that absolute piss out of my car, respectfully of course

2006 GTO M6

Motor - Stock with Vararam
Bunch of suspension
Bunch of brakes
Stock tune

365/368 std
12.81 @ 110.6 2.03 60'
GTO44 is online now  
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