Can you convert a 350 TBI to Carb?
Can you convert a 350 TBI to Carb?
The most basic things you’ll need to convert from TBI to a carburetor is a carb and a matching manifold. Simply remove the old manifold, drop the new one in its place and install the carburetor.
Can you change the throttle body on a 350 TBI?
Modify the throttle body. This one pretty cheap but does require removing the throttle body. UTIMATE MODS . Stock 42mm TBI units flow around 450cfm which if you look at http://www.carburetion.com/calc.asp a stock 350 even with a cam upgrade to increase the powerband to 5500 rpms isn’t going to use much if any more than that stock throttle body.
Is the TBI set up the same as the Vortec?
Your truck is set up for the TBI set-up, not a Vortec set-up. The Vortec set-up is controlled by a OBDII computer and the computer in your truck is a OBD1. Nothing will hook up, and the fuel system is wrong in your truck for the Vortec set-up.
What kind of EFI system do I need for a TBI engine?
TBI Fuel Injection Conversion using a GM TBI EFI system! One of the most popular EFI conversions to older Chevy engines or any engine for that matter is the GM TBI system using the 1227747 ECM.
What kind of Head do I need for a 350 TBI?
Another good reasonably priced set of heads that will work nicely without special intakes on a TBI motor is a set of Summit Racing aluminum heads. Great flow number and stock TBI or aftermarket TBI intakes will bolt right on saving you some money. 50 state legal and better flow numbers than vortec heads.
Modify the throttle body. This one pretty cheap but does require removing the throttle body. UTIMATE MODS . Stock 42mm TBI units flow around 450cfm which if you look at http://www.carburetion.com/calc.asp a stock 350 even with a cam upgrade to increase the powerband to 5500 rpms isn’t going to use much if any more than that stock throttle body.
Your truck is set up for the TBI set-up, not a Vortec set-up. The Vortec set-up is controlled by a OBDII computer and the computer in your truck is a OBD1. Nothing will hook up, and the fuel system is wrong in your truck for the Vortec set-up.
TBI Fuel Injection Conversion using a GM TBI EFI system! One of the most popular EFI conversions to older Chevy engines or any engine for that matter is the GM TBI system using the 1227747 ECM.
What are the specs for a TBI crate engine?
4. The cam in the TBI engine is just plain AWFUL. Specs on Stock TBI cam is .050″ tappet lift (intake/exhaust) is 165/175; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is .382/.402. I got those specs right off the Jegs website selling the new GM replacement TBI crate engines.
