As per the general:

#04-07-30-037E: Release of DEXRON-VI Automatic Transmission Fluid (ATF) - (Apr 7, 2011)

DEXRON®-VI can be used in any proportion in past model vehicles equipped with an automatic transmission/transaxle in place of DEXRON®-III (i.e. topping off the fluid in the event of a repair or fluid change). DEXRON®-VI is also compatible with any former version of DEXRON® for use in automatic transmissions/transaxles.

Clutch Friction Stability Improved 100%
Clutch Durability Due To Fluid Improved 120%
Oil Film Thickness Increased 20%
Fluid Oxidation Improved 100%
Foam/Aeration Improved 150%
Shear Stability Improved 200%

Transfer cases & manual transmission that used earlier versions of Dexron (i.e. B/W T5) are NOT advised to use Dexron VI, use Dexron III or 88861800 manual transmission / transfer case fluid.

I run Dexron VI in all my G.M auto transmissions, from a 1970 TH350 on up.


BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022