What ATF you running?
Thread Starter
TECH Apprentice
Joined: Oct 2013
Posts: 350
Likes: 25
From: North Shore MA
What ATF you running? So, while I have my car blown apart for the LT's and Y-pipe, I figured I'd throw in a new trans filter, pan gasket, and atf.
Should I just grab the stock stuff from GM? Or is there something else you'd suggest? What about the cheap stuff from wally world? The car is just a summer time daily driver, not a track car.
Also, the car has 156k on it. I doubt its the original trans, or it's at least been rebuilt sometime in its life.
Thanks!
Should I just grab the stock stuff from GM? Or is there something else you'd suggest? What about the cheap stuff from wally world? The car is just a summer time daily driver, not a track car.
Also, the car has 156k on it. I doubt its the original trans, or it's at least been rebuilt sometime in its life.
Thanks!
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Castrol this time.
In the past I've always used a cheaper brand from Parts Plus and never had any issues. Topped it off with some Oreilley's brand before and that stuff seemed a lighter shade of pink and maybe even a little thinner. Might be fine but I stopped using it.
In the past I've always used a cheaper brand from Parts Plus and never had any issues. Topped it off with some Oreilley's brand before and that stuff seemed a lighter shade of pink and maybe even a little thinner. Might be fine but I stopped using it.
TECH Fanatic
Joined: Jun 2007
Posts: 1,255
Likes: 11
From: centerville, ohio
They also say Dex 6 is ok. I did a complete fill of Mobil 1 during installation of my SS 3600 over 9 years ago, its still in there. Plus I have hundreds of wide open lock ups. I have no complaints,
Moderator
Joined: Aug 2010
Posts: 7,323
Likes: 529
From: Ann Arbor, MI
However I only Dexron 6 because I don't mind paying a bit more and I use it with newly rebuilt transmissions.
I have no facts, but I agree with novaflash2002 about not mixing Dex 3 and Dex 6 unnecessarily.
I think the majority of members here are running Dex 3 with no problems and there is little evidence that Dex 6 is any better; just more expensive. Dex 6 might last 100,000+ miles, but most members are going to replace the trans fluid every few years (e.g. 25,000) anyway.
In short, unless you are rebuilding a trans and don't want to change fluid for 100,000+ miles, just use a quality Dex 3.