Re: 85 k-20 Drivetrain
most people say the 92-94 are the best because of the lower first ,but are hard to find.I would search on here and see what other people are using and what the differences are.
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R.I.P gm 1908-1986 
1982 chevy k20,350,sm465,np205,10bolt and 14bolt s.f
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