Originally Posted By BradH
Synthetic is a "peace of mind" thing for me. Years ago I recall seeing some tests showing at what temperature conventional ATF started to break down vs synthetic, and that persuaded me that I'd be better off w/ synthetic.




If I can’t hurt Dextron 3 or type F I think you are fine. A powerglide and transbrake really test how good your fluid is. Zero issues

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time