What is the difference between TBI and TPI?
What is the difference between TBI and TPI? TBI is basically a high tech carb. The injectors are mounted in the throttle body. TPI is usually multiport fuel injection. There is one injector per cylinder, therefore more effective. How do I get from TBI to Vortec? That said, TBI can be adapted to a Vortec headed engine by using a GMPP or Edlebrock intake that bolts to Vortecs at one and and TBI at the other. The other simple swap is to use the Swirl Port heads off earlier engines and the TBI bolted to a Vortec bottom end. Is...