buffaloman 295 #1 Posted April 16, 2016 Im sure this is a beat to death topic , and I did look over some of the older threads and im a little confused ,so ill ask for myself. What would you use in the 8 speed manual transmission ive seen anything from 140w 5 to 10w 30 motor oil ? Share this post Link to post Share on other sites
N3PUY 1,031 #2 Posted April 16, 2016 I've always used 80-90 conventional or 75-90 synthetic 4 Share this post Link to post Share on other sites
buffaloman 295 #3 Posted April 16, 2016 I almost forgot where is the best place to buy that ?tractor supply? any auto shop ? Share this post Link to post Share on other sites
KC9KAS 4,741 #4 Posted April 16, 2016 I buy mine at RURAL KING....and there is a 12% rebate on everything 4/9---4/16. Share this post Link to post Share on other sites
Racinbob 11,259 #5 Posted April 16, 2016 For decades....... 4 Share this post Link to post Share on other sites
elcamino/wheelhorse 9,357 #6 Posted April 16, 2016 I run the 80-90 wt in my 310-8 , get it from Advance Auto. 2 Share this post Link to post Share on other sites
woodchuckfarmer 333 #7 Posted April 17, 2016 Ive used 80w 90 in every thing for years. It used to be the standard gear oil for years. Share this post Link to post Share on other sites
