3.73 vs stock gear gas mileage??
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Old April 26th, 2008, 12:14 AM   #1
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3.73 vs stock gear gas mileage??


Does anyone know how much worse gas mileage the 3.73s offer compared to the stock gears for a 91 5spd 5.0. I'm in the process of buying one with 3.73s, after market fuel pump, and 24lb injectors and I'm wondering how much thats going to hurt as a daily driver. If anyone knows please let me know.
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Old April 26th, 2008, 12:16 AM   #2
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1-2 mpg
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Old April 26th, 2008, 09:36 PM   #3
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it also has e303 cams, heads done by abacus, cobra upper and lower intake, bbk cai, bbk headers, no cats no mufflers, and i believe a ford racing throttle body. still not much less? lol
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Old April 26th, 2008, 09:37 PM   #4
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cam
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Old April 28th, 2008, 08:29 PM   #5
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the 3.73s will help a little in city driving since the engine doesnt have to work so hard to leave from a stop.So your hiway mileage may go down a bit but the city will improve if you dont floor it from every stoplight
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