Q: What is needed to convert my engine to TPI fuel injection?
A: You'll need to find the following:
* TPI intake
* TPI plenum and runners
* Throttle body
* MAF sensor, intake hose, filter case
* Injectors (19 lb/hr for 305, 22 lb/hr for a 350)
* Oxygen sensor (if your's doesn't already have one)
* Knock sensor (if your's doesn't already have one)
* Intake air temp sensor (goes in plenum underside)
* EGR solenoid
* Coolant temperature sensor
* Cold start injector sensor
* Electronic Control Module (ECM or computer)
* Re-route EGR and charcoal cannister ported vacuum as per TPI setup
* A/C bracket to TPI intake (upside-down U-shaped bracket)
The best (cheapest) way, is to find the parts through junkyards.