What does everyone recommend for transmission fluid on a 67 with ST300?
This will do the trick... NAPA Premium Dexron III / Mercon Automatic Transmission Fluid - 1 qt Desc: Features & Benefits
NAPA Dexron III/Mercon ATF Is Formulated w/ Advanced Additive Technology & Premium Quality Basestocks To Protect Automatic Transmissions Against Undersirable Deposits, Oxidation & Viscosity & Thermal Breakdown Under Severe Service Conditions.
Enhanced Anti-Shudder Protection For Smooth Shifting Performance & Protecting Against Slippage Superior Resistance To Viscosity Breakdown For Better Wear Protection Against High & Low Temperature Ranges Minimizes Sludge & Varnish Deposits, While Protecting Transmission Seal Materials
You don't want version V and probably not a synthetic either.
Last edited by Gus68; 08/14/1901:12 PM.
Engine Test Stand Playlist: https://www.youtube.com/playlist?list=PLwoxyUwptUcdqEb-o2ArqyiUaHW0G_C88 restoring my 1968 Firebird 400 HO convertible (Firedawg) 1965 Pontiac Catalina Safari Wagon 389 TriPower (Catwagon) 1999 JD LX Lawn tractor 17hp (my daily driver) 2006 Tundra (another driver) 2017 Murano (wife's car) 202? Electric car 203? 68 Firebird /w electric engine _______________________________________________________