Dexron ATF in 3 & 4 speed manuals. If there was excessive gear rattle -- in a car located in a warm climate -- the Dexron could be replaced with SAE 90 multipurpose gear lube in the 3 speed, and SAE140 in the 4 speed trans. Thanks, Gary H. -----Original Message----- >In my 65 Belvedere 3spd manual tranny is ATF. I check the level, its fine. >The PO put it in. > >The car had a new clutch put in...and there has been very very very little >miles on it (200 in 15 yrs.). the throwout bearing is a little rumbly, but >not bad. The tranny is a little whinny, not bad though. I just wondering >if putting heavier oil in will quiet it down. > >What's required per the manual? 30wt. motor oil? > > ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! 1962 to 1965 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.