Yes
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
YES, As long as the GMC 350 is a 1988 to a 1995 year then it will bolt right in and work just perfect.
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.
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.