Re: 85 k-20 Drivetrain
In the transmissions?In the nv4500 low or first was 6.34:1 in the 92-94 and the 95 and up ones have a 5.61:1.the sm 465 has a 6.55 first.There both great transmissions just the nv4500 has overdrive and a little bit higher low
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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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