Join Date: Sep 1999
Location: Vancouver, Washingon
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Re: Carb or Fuel injection on Chevy 350
In less time than a heartbeat, I'd select the TBI! When you go to the junkyard, do yourself a huge favor, get a complete and UNCUT wiring harness. All in all there are about 20 wires needed. Six of the 20 wires will for the ALDL connector. The other 14 or so are for either ECM power requirements or for sensor. Make sure you get everyting, ALDL connector, air cleaner, fuel lines, exhaust manifolds with air tube fittings, all emissions stuff. It's just a real pain in the butt, to seek out one or two items that you could have gotten on the first trip to the junk yard. There is no such thing as to much "junk" when it comes to retro-fitting a fuel injection system.
I would recommend getting an after-market VSS (Vehicle Speed Sensor). The VSS will reset the IAC (Idle Air Control) once the vehicle reaches 35 MPH.
Make sure you get make, model, and year down for the vehicle your getting the TBI system from. Knowing the make, model and year will help in getting replacement parts easy, not to mention the very important WIRING DIAGRAM!