sm420 problems

hondatech81

Well-Known Member
Joined
Oct 28, 2007
Location
Statesville
i have a sm420 in my 1972 fj40. when it gets hot it sticks in gear. at low operating temps it shifts fine. what is the problem? If its not a easy fix Ive been thinking of going to a automatic trans. If i decide to do that which one would be best? it has a 400 small block with efi in it. thanks
 
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