QuestionON A 1991 CHEVY SILVERADO I AM THINKING ABOUT CHANGING THE THROTTLE BODY TO A 2 OR 4 BARREL STANDARD CARB. BESIDES DISCONNECTING ALL THE SENSORS AND BRAIN WHAT OTHER PARTS WOULD I HAVE TO CHANGE? DISTRIBUTER AND WHAT ELSE?
AnswerHi Dino,
I don't see why you'd need to change anything other than the pressure from the fuel pump which may be too high for the needle and seat to stop. A bypass with return to the tank will be needed and regulate the pressure no higher than 4PSI.
Everything else should work the same. The distributor won't know how much fuel the engine is getting or HOW it's getting it and the only other thing I can think of is a piece of electrical tape over the SES light so it doesn't drive you nutz.
I like your thinking as I firmly believe carburation is more efficient and more adjustable than EFI.
Good luck.
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Thanks for the question, I hope this information was helpful to you.
Fred
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