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Brand preference for C6 ATF?

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Starliner

Brand preference for C6 ATF?

I know I take 11 3/4 quarts, and the manual says Dextron II.
Is any ATF better than another? I would guess Walmart brand is not the best.

JOE
1984 F250 HD 2wd auto w/air,
351W, 2bbl, Dana 60 3.73, no EEC

Angelo Voltura

Re: Brand preference for C6 ATF?

Atf is atf. They all have to be made to the same standards.

1978 F150 351W
1979 F150 "410M"
1979 F100 302
1979 F250 400
1987 F150 300
1990 F150 302
1991 F150 300
1995 F150 (1985 clip swapped) 300
1997 F250 351W

kramttocs

Re: Brand preference for C6 ATF?

Administrator

In reply to this post by Starliner

I use Valvoline Dex/Merc

Scott
'Camano' 1986 F250 Supercab XLT Lariat 460/C6
'Chanute' 1980 F350 C&C 400/NP 435 - Gin Pole

But there ain't nothin' wrong with the radio

Dorsai

Re: Brand preference for C6 ATF?

kramttocs wrote

I use Valvoline Dex/Merc

Same here. I don't drive my truck especially hard, but the Valvoline has given me no problems since I put it in mine last year.

Matthew
1980 F-150 Custom 2wd longbed, 300-6, C6, 2.75 rear axle
Atlanta GA

Starliner

Re: Brand preference for C6 ATF?

Great, thanks.
12 qts adds up quick$$

JOE
1984 F250 HD 2wd auto w/air,
351W, 2bbl, Dana 60 3.73, no EEC

myrl883

Re: Brand preference for C6 ATF?

Ford has replaced all earlier versions of Mercon with Mercon V, which is fully synthetic. I've had no problems using it. It's just over $6/qt, so it's priced pretty fairly...

My son put Valvoline TransMax (also synthetic) in my AOD when he serviced it, and it shifts perfectly at any ambient temperature.

Ford Parts Monkey since 1985
1981 F100 Flareside - Black, 302-4V Roller/AOD
1986 F150 Flareside - Medium Fire Red 302/AOD
1989 F150 Standard Cab 4x4 - Dk Shadow Blue 302/AOD
1993 F350 4x4 Crew Cab - 7.3 IDI/ZF-5
I think it's a sickness...

Ray Cecil

Re: Brand preference for C6 ATF?

In reply to this post by Starliner

I was told by a transmission guy you can us the latest Dextron, as the next version is always engineered to meet or excede previous specifications.

1988 F250 Supercab Longbed 7.3 IDI, C6, 1356, GEARVENDORS, 4.10 Sterling with autolocker

1986 F150 302, C6, 9" 2.75, Wood Flatbed

Starliner

Re: Brand preference for C6 ATF?

Thanks guys, trans filter tomorrow.

JOE
1984 F250 HD 2wd auto w/air,
351W, 2bbl, Dana 60 3.73, no EEC

kramttocs

Re: Brand preference for C6 ATF?

Administrator

Do you have the stock pan?
If you plan on keeping the truck for awhile it would be worth looking into a pan with a drain.
I have the deeper TCI cast aluminum one on mine and the B&W one on a shelf for another project. I really like the TCI one. Even if you don't need the extra capacity, the drain is really nice to have.

Scott
'Camano' 1986 F250 Supercab XLT Lariat 460/C6
'Chanute' 1980 F350 C&C 400/NP 435 - Gin Pole

But there ain't nothin' wrong with the radio

Starliner

Re: Brand preference for C6 ATF?

It is an stock pan, 1st transmission filter since new.
I had considered a plug but really, those harbor freight fluid transfer pumps work very well, (10 bucks or so), so next time I will go that route.

JOE
1984 F250 HD 2wd auto w/air,
351W, 2bbl, Dana 60 3.73, no EEC