I have been ignoring this because I dont probably want to know the answer
My transmission seems to shift fine but wont hold on a grade without a lil help with the fuel pedal BIG problem ? Or can it live like that a long time
I'm not a perfectionist if I'm not damaging it further daily it will just get older like me and all the rest of my stuff

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commercial fisherman diesel in my blood in my boats trucks and Dear old Dad has had me drivin them since i got my first license in 1968
1986 300 SDL 427654
1999 Chevy Crew Cab Dually 225423
1986 300 SDL 287000 Dad's
1987 190 Turbo 158000 Mom's (my inheritance)