How do I correctly disable the smog pump on my '73 Buick Centurion?
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Asked by froeschl Dec 22, 2018 at 11:54 AM about the 1973 Buick LeSabre

Question type: Maintenance & Repair

In order to improve fuel economy, I was recommended to disable the smog pump on my Buick Centurion by removing the V belt. Do I have to consider anything else like removing or plugging any hoses or am I done with the removed belt?

2 Answers

F_O_R answered 5 years ago

As long as the only thing that was on that belt is the smog pump you are done.

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txbarney answered 5 years ago

Disableing or removing the smog pump on those engines should have no affect on gas mileage other than the small amount of power it takes to drive the pump. You may need to play with the timing and or the carb.

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