The 1947 - Present Chevrolet & GMC Truck Message Board Network - Dextron or 80/90 Gear Oil in MY6/A833 4SPD?

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- - Dextron or 80/90 Gear Oil in MY6/A833 4SPD? (https://67-72chevytrucks.com/vboard/showthread.php?t=785687)

wesmigletz

04-25-2019 03:35 PM

Dextron or 80/90 Gear Oil in MY6/A833 4SPD?

What are you running in your MY6/A833 4 speed transmissions. Have a fresh rebuilt one I Just installed in my 57?

Thanks in advance

mongocanfly

04-25-2019 07:04 PM

Re: Dextron or 80/90 Gear Oil in MY6/A833 4SPD?

I found this on another forum....

Straight from a Chevrolet Flint Assembly Line supervisor, 1979-1986, it uses ATF!!

Owners GM manual info:
4-Speed Overdrive (RPO MY6) Dexron II Automatic Transmission fluid GM Part No. 1051855

wesmigletz

04-25-2019 10:16 PM

Re: Dextron or 80/90 Gear Oil in MY6/A833 4SPD?

Thank you Mongo.

Keith Seymore

04-26-2019 01:03 PM

Re: Dextron or 80/90 Gear Oil in MY6/A833 4SPD?

Quote:

Originally Posted by mongocanfly (Post 8513732)

Guess who they were referring to!

Yes - ATF.

K

Keith Seymore

04-26-2019 01:11 PM

Re: Dextron or 80/90 Gear Oil in MY6/A833 4SPD?

Quote:

Originally Posted by Keith Seymore (Post 8514190)

Guess who they were referring to!

The obligatory "You Pig! You Pig!" story:

http://67-72chevytrucks.com/vboard/s...ig#post3662550

K

mongocanfly

04-26-2019 01:31 PM

Re: Dextron or 80/90 Gear Oil in MY6/A833 4SPD?

That's to funny Keith...when I 1st read that about the assembly line super, I was thinking how funny itd be if that was you they were referring to

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