My friend is looking at putting a 350 in his 91 RS. It is a throttle body 305 currently. For the time being at least, the plan is to leave it throttle body injected. The motor that he is getting is out of a late 80s truck. He can get the throttle bodie injection system with that too, but he has not asked about wires and soforth. My question is what all will he have to change to make it work properly. The plan is to use the injection setup that is in his car now so that we dont have to figure out how to make all of his gauges work with a different harness, and so we dont have to change wiring harnesses. I know he will need probably new inectors(I wondered if the ones that are on the truck would work. He will also, need a knock sensor an if possible a new chip. What else will he need? Thanks for your help.

Ben

 

Anyone have any input? I am really curios as to whether the injectors would work. That could save some money as he is trying to do this with as little money as possible.

Thanks

Ben

 

Oh, and should he use the same guidelines for buying a cam for a throttle body injected car as for a tpi or is the throttle body a little more forgiving?

Ben

 

You do know there is a whole forum dedicated to TBI, might want to go over there, you'll get more replies.

 

Thanks. Sorry, I actually didnt even think about it. I dont think I have ever used that one because I havnt really dealt with any throttle body cars.

 

i just came across your 350 tbi swap. if you havent figured out yet...you will most likely need to put 350 injectors on the throttle body. the throttle bodies from a 350 egine and a 305 engine are identical. only the injectors are different.