Most parts are interchangeable
should be..... a jimmy is a blazer with a GMC label on it
yes.
Yes they will, There the same thing.
will a 1956 gmc 3 speed trans bolt on a chevy 350 v-8 engine
Chevrolet still makes the 350 small block and will for the forceable future. Production ceased in 2002 for USA production only; still manufactured in Mexico for GM's Goodwrench Replacement Engines.
YES, As long as the GMC 350 is a 1988 to a 1995 year then it will bolt right in and work just perfect.
A chevy Tahoe is the same suv, just badged differently. Some parts are interchangeable with the gmc/chevy pickups of the same model run.
Yes. The 4L6oE was intended to be used with the 4.3 - 5.7 liter engines.
About 210 hp
YES, They are the same engines. There's NO difference what so ever.
My 1970 gmc 2500 came has one.