Author Topic: Preferred fluid for 4-speed trans and rear end (Read 749 times)

Winston · « **on:** April 23, 2007 - 01:20:32 PM »

I have to put oil in the 4-speed and rear end of my 70 340 Cuda, and I was wondering what the best brand and weight oil I should use. Any suggestions?

Chryco Psycho · « **Reply #1 on:** April 26, 2007 - 12:36:11 AM »

I use synthetic 75-90 for the diff
the trans prefers a less slippery lube, gl4 rated & generally 80-90w , Redline also has a Manual trans synthetic lube as well as Mopar has a synthetic manual trans lube , Gm syncromesh is aalso a semi synthetic designed for manual trannys

Author Topic: Preferred fluid for 4-speed trans and rear end (Read 749 times)

Winston

Preferred fluid for 4-speed trans and rear end

Chryco Psycho

Re: Preferred fluid for 4-speed trans and rear end