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Stock 57 Fairlane 500
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09-16-2020, 09:42 PM
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55blacktie
Senior Member
Join Date: Aug 2020
Posts: 442
Re: Stock 57 Fairlane 500
The 4-barrel primary throttle bores are smaller than a comparable cfm 2-barrel. If you keep your foot out of it most of the time, you might actually see better mpg with a 4-barrel.
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