a 1983 silverado has an TH350, its a three speed tranny. its been said that it's the best transmission that gm has ever produced.
4L60E Transmission
What type of silverado and what is the VIN and I'll tell you.
Dextron II
Syn-torq synthetic transmission fluid or equivalent.
Dextron II transmission fluid.
It requires a electronic 700r
If it is a k1500, most likely it has the 4L60E transmission.
DEXTRON II automatic transmission fluid
If it is an automatic transmission, Dexron III or Mercon are both acceptable.
type of fluid for 5 speed manual transmission
GM synchomesh fluid. Its made by castrol.
If it is an automatic transmission, Dexron III or Mercon are both acceptable.