yes it is pssible but theres only one catch. The motor you have in your 89 is im guessing a 350 tbi(throttle body injected) and it has a carbrator, and the motor that would be in the newer trucks from 95 and up are called vortecs(fuel injected) and they do NOT have a carburator. So what you would haved to do it buy brand new motor mounts, computer, wiring harness, hoses, radiator, etc. From my experience your best bet would be to just keep the motor and trans in your 89 keep that or sell that truck, and buy your 95 and up chevy and just go to your local junk yard and buy a vortec and trans from there. There vortec trans and engines are BOLT ON AND PLUG IN AND GO!!!!