86 f-150 carb.

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86 f-150 carb.

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Ford Forums >> Ford Trucks, Ford Vans & Ford SUV's >> Ford F-150 >> 86 f-150 carb.

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86 f-150 carb. - 10/26/2005 2:18:09 AM

truefordman73

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i just have a quick questiong that has 2 parts to it. first will i see a change in gas milage if i change my carb from the fact. 4bbl holly to a 2bbl? what will happen if i shut down 2 of my jets on my carb????

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RE: 86 f-150 carb. - 10/26/2005 11:22:06 AM

josser

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many part answer! the factory 4bbl was set for optimal fuel economy, yes if you change carbs you could change your gas milage, if you go with a 2bbl that has the same CFM's as the 4 bbl than you should may see improvement, on the other hand, if the 2bbl carb is smaller you will reduce the air intake and therefore rob your engine of power, meaning your engine will work harder and use more gas to do the same work as before.
If anything i would get a new 4bbl holly with same CFM's as the old one, new carbs are more fuel efficient and give better performance.

(in reply to truefordman73)

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