Automatic Transmission Fluid
Thread Starter
Instructor
Joined: May 2002
Posts: 178
Likes: 0
From: Quakertown PA
Automatic Transmission Fluid
Sorry for the silly question here but I am receiving mixed input on which ATF to use in my '87. I believe the owners manual says Dexron II but the guy at the auto parts store tells me Dexron III.
I trust you guys more than the guys at the auto parts store :D
Thanks.
I trust you guys more than the guys at the auto parts store :D
Thanks.
Thread Starter
Instructor
Joined: May 2002
Posts: 178
Likes: 0
From: Quakertown PA
Re: Automatic Transmission Fluid (rats87)
Thanks.
I found a post that says Dexron III is backward compatable. Is this true?
Also would there actually be a problem adding synthetic to non-synthetic?
I found a post that says Dexron III is backward compatable. Is this true?
Also would there actually be a problem adding synthetic to non-synthetic?
Team Owner
Joined: Sep 2001
Posts: 62,160
Likes: 1,733
From: Athens AL
C7 of the Year - Unmodified Finalist 2021
C4 of Year Finalist (performance mods) 2019
Re: Automatic Transmission Fluid (rats87)
Dexron II is no longer made, Dexron III is just a better version
fully backwards compatible
And there should be no problem in switching to a synthetic, or combining them.
fully backwards compatible
And there should be no problem in switching to a synthetic, or combining them.
Le Mans Master
Joined: Jun 2002
Posts: 6,097
Likes: 0
From: High Plains Drifter Fayetteville, AR
Re: Automatic Transmission Fluid (vader86)
Dexron II is no longer made, Dexron III is just a better version
fully backwards compatible
And there should be no problem in switching to a synthetic, or combining them.
fully backwards compatible
And there should be no problem in switching to a synthetic, or combining them.
Le Mans Master
Joined: May 2003
Posts: 5,203
Likes: 0
From: Las Vegas Nevada
Re: Automatic Transmission Fluid (JCAIRE2)
I am on my second rebuild in less than 12 months. I think the first one was bad workmanship but also the heat out here in the desert is a killer. I am thinking of an external trans cooler.
Anyone have any experience or opinions on these and best brands etc.
Anyone have any experience or opinions on these and best brands etc.
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Intermediate
Joined: Sep 2003
Posts: 38
Likes: 0
From: Carrollton TX
Re: Automatic Transmission Fluid (JCAIRE2)
found this on a website:
Redline Synthetic Automatic Transmission Fluid
D4 ATF AUTOMATIC TRANSMISSION FLUID provides 33% greater operating viscosity, 1/3 the evaporation of petroleum ATF's, and the wear protection of API GL-4 gear oils. This improved wear protection makes D4 ATF the perfect automatic or maual transmission fluid, since the GL-4 gear protection improves long-term durability. Red Line D4 also provides the best low-temperature shiftability in automatic and manual transmissions which require ATF's. Conventional ATFs break down at high temperatures, depositing varnish on the clutch faces and creating sludge which plugs hydraulic shift valves.
Redline Synthetic Automatic Transmission Fluid
D4 ATF AUTOMATIC TRANSMISSION FLUID provides 33% greater operating viscosity, 1/3 the evaporation of petroleum ATF's, and the wear protection of API GL-4 gear oils. This improved wear protection makes D4 ATF the perfect automatic or maual transmission fluid, since the GL-4 gear protection improves long-term durability. Red Line D4 also provides the best low-temperature shiftability in automatic and manual transmissions which require ATF's. Conventional ATFs break down at high temperatures, depositing varnish on the clutch faces and creating sludge which plugs hydraulic shift valves.
