converting throttle body to 4 barrel carb.

Asked by GuruCRBKV Mar 03, 2019 at 08:54 PM about the 1988 Chevrolet C/K 1500 Cheyenne 4WD

Question type: Maintenance & Repair

I have a 1988 chevy k1500 p/u with a 350 throttle body injection, OBD1 controlled.Want to convert to a 4 barrel carb. Intake requires 12 bolts, 8 (4 on each end) bolts square with head surface and 4(2 on each side) that bolts straight down, not square with the head surface. What intake manifold do I need?

2 Answers
38,945

beatupchevy answered 5 years ago

see if holly or other maker has an after market bolt on TBI unit with more cfm capacity , going from efi to carburetor is like having the gold medal bronzed

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GuruFR6KP answered 4 years ago

I got a 89 suburban and with a throttle body I'm thinking about putting a 4-barrel on it for more power is that a good idea

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