Quote:
Originally Posted by 85/Silverado
My 1985 Silverado came stock with a 305 and the TH350 tranny. Bought in Ga.
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The stock transmission in a 1985 Siverado if it was a 3 speed automatic would have been a TH350C not a TH350. The TH350 was not produced after 1979. The TH350C has a lockup torque converter and the transmission and converter are not interchangable between the two.