Redline ATF safe?
...or...
Redline IS D4.
There's a difference in "being compatible with" and being a "replacement for."
Ask Redline.
This is what they state about the Redline D4 ATF
D4 ATF also provides a GL-4 level of gear protection, making it a superior product for transmissions and transaxles like the Corvette's T-56. The balanced frictional characteristics provide smooth and consistent shifts for extended drain intervals. The superior stability compared to petroleum ATFs allows high-temperature operation without varnishing valves and clutches which leads to transmission failure. It’s stability allows high-temperature operation without varnishing valves and clutches. Also provides improved shifting in cold weather.
If Redline says it will work as a replacement for Dexron-III, I am inclined to believe them.
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torque converter about how their clutches like
Redline's base & additives, and see about GM's
recommendation (easier to get, probably - "no
synthetics"). With all the different TCC materials
in use, there is a variety of fluid type sensitivities.


