g.m. how do I put m.m.o. in my vacume shifter ? had hard shifting the last 2 trips out. have had know problems in 12 years but I love that rear end. like your posts .reguards to you. dick t.
Many people think GL-5 is not good for the Columbia. See July / August 2024 V-8 Times magazine page 105. Jim C.Would GL-5 attack the bronze washers in the Columbia?
Mark