Some of the newer transmission lubes are to slippery for our old transmissions, it doesn't give enough resistance to slow the gears down when shifting which can causes grinding between gears...
Mike B
Mike Boteler
1956 Chevy 3100 Resto Rod 1952 Willys M38 Army Jeep 1983 Jeep CJ7 Laredo 1984 Jeep CJ7 +++++ Silver Spring, MD