Retired Wrencher 5,506 #1 Posted November 4, 2009 :ychain: HI I have the first year of the B80 1973 4 speed I can not find out what the amount is of gear oil it takes to be full. some told me it is 2 Quarts is this true. I have a B-C-D. manual but only covers the 8 speeds. t/u for your help Gary B... aka t1257 Springfield Mass :hide: Share this post Link to post Share on other sites
C-Series14 15 #2 Posted November 4, 2009 First off, the first year of the B-80 4-Speed was 1974 and it does take 2 quarts of SAE 90-140 API Service GL-5 Gear Lube. This is according to the Lube Chart. Share this post Link to post Share on other sites
