2nd Overrive Kit?
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Joined: Jul 2006
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From: West Palm Beach, FL
2nd Overrive Kit?
I'm a newbie in regards to transmissions and I have a question. I have a 1999 F350 4x2 crew cab dually diesel with the 4:10 and limited slip. I want better fuel milage and my mechanic suggested adding a 2nd overdrive kit instead of changing my gears to a 3:73, etc. He said I would still have the towing capacity of the 4:10's but the 2nd overdrive would give me the better fuel milage than the 3 ratio gears have.
FYI - I have the K&N FIPK system, Superchip programer and will soon install: 4" exhaust (down pipe through to tip with less restrictive muffler - no cat, my cat is currently plugged), change tire size from 215/75/16's to 265/75/16 Nittio Terra Grapplers all the way around and replace stock shocks with Bilsteins. I'm in south Florida and I sink like an anchor in our soft sand, including my driveway. Wider tires for flotation and taller tires for better milage?
What do you suggest on the tranny????
FYI - I have the K&N FIPK system, Superchip programer and will soon install: 4" exhaust (down pipe through to tip with less restrictive muffler - no cat, my cat is currently plugged), change tire size from 215/75/16's to 265/75/16 Nittio Terra Grapplers all the way around and replace stock shocks with Bilsteins. I'm in south Florida and I sink like an anchor in our soft sand, including my driveway. Wider tires for flotation and taller tires for better milage?
What do you suggest on the tranny????
Last edited by paradiseandpalms; Jul 29, 2006 at 07:23 AM.
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robertbourque
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Mar 16, 2007 09:48 AM
