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Carb problem 64 El Camino

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Discussion Starter · #1 ·
Rebuilt carb (Rochester 2) on 64 Elcamino with 283 cu in and four spd. Car is running 17 to 18 inches of vacuum. When accelerating it back fires through the carb. What is wrong with it? What should I be looking for?
Thanks for all your help in advance.

Bill

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Bill the first place I'd look is to see if the accelerator pump is giving it a squirt of gas. Look down the carb when holding the choke open and the engine off and see if the pump gives a squirt when you pump the accelerator.
 
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