Question about gearing
Sep 20, 2008 | 01:05 PM
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Question about gearing
Hey guys, i'm looking at getting a 60th anniversary 2008 F-150 with an 8 inch lift and 37"s
Except it's still on 3.73's.
Im thinking it should be on a different gear ratio with that tire/wheel combo.
Not only for gas mileage but the pickup and go and easier on the drive line.
What do you guys suggest for best "GO" and Gas Mileage? Thanks
Sep 20, 2008 | 01:26 PM
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5.13's are a little much for 37" tires, but if you plan on going bigger than 5.13"s would be good,
4.56's are what i plan on going too... IF i do a gear change... Not sure on any of that yet...
4.88's will be good for power and on mpg's depending on the driving you do, if its city driving 4.88's will be awesome, if its highway, your mpg's will suffer some.
Sep 20, 2008 | 01:28 PM
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most of it will be city driving, with the occasional 10-20 weekend drives to the cabin of maybe 150 miles.
So to sum it up i guess, i just want a good gear for 85% city driving, 15% long trips
Sep 20, 2008 | 01:29 PM
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4.88's would be best imho, what engine does the truck have?
Sep 20, 2008 | 01:41 PM
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Sep 20, 2008 | 01:50 PM
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with the city driving i would go with 4.88's but you will be married to that size or close to that size tire, with that gear size, if you gosmaller then you will have to swap gears...
Sep 20, 2008 | 01:57 PM
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i wont be going up or down on the tire size. they will be staying the same
Sep 20, 2008 | 02:11 PM
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4.88's is the gear for you.... just make sure you do the front and rear!!!
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Sep 20, 2008 | 02:11 PM
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how much do you think it would cost to do both?
Sep 20, 2008 | 02:48 PM
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Gear's alone would be like 4 or 5 hundred to have a shop install it, with parts and labor, should be around 1k.
Sep 20, 2008 | 02:49 PM
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well i can work it into the deal as im getting the truck new from a dealership, but i have to get both front and rear done right?
what happens if they only do the rear, keeping in mind its a 4x4
Sep 20, 2008 | 02:58 PM
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ok, so as long as i get both front and rear done i wont have a problem right?
Sep 20, 2008 | 03:02 PM
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If you ust do the rear and put it into 4wd, then you will get major bindage and something will break, anywhere from your transfer case down to either axle...
Sep 20, 2008 | 03:05 PM
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ok good to know. im basically saying to them that i want the gears upped before i buy it. but as long as its both them im good to go
Sep 20, 2008 | 03:09 PM
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