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Old 02-17-2015, 11:16 AM   #13
sapper4
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Join Date: Dec 2011
Location: Hope Mills, NC
Posts: 62
Re: Gear Ratio

I have been looking into this as well. I have a 3ott (1:1 final gear), a 3.08 gear and 23/75/15 tires. At 70 mph I am turning 2500 rpm. If I changed my tire size to 265/65/18, the new wheels and tires from a 2013-2015, I would drop below 2300 at 70. I would also lose a little takeoff power. Not a big drop for the price of the wheels. It's really hard to beat an overdrive with a 4th or 5th gear.
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