i have a 91 rs with a 305 tbi..could i put the tpi off of a z-28 of the same year? what all would i also have to change...just the computer right ?

 

You'll also need to swap out the fuel pump and some of the fuel lines (TPI has much higher fuel pressure). You'll also need to swap out the wiring harness. There is a nice tech article on this site on how and what is needed to do this swap.