regear from 3.73 to 4.10?
#1
Join Date: Oct 2008
Location: Indianapolis
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regear from 3.73 to 4.10?
hey guys I have a 2002 3.0 edge with 3.73 7.5 and 33" tires, I am wondering if I should buy 4.10 gears or 4.56 gears and if so would they fit in my stock axle?
note:I am not that interested in getting an 8.8 because I do not plan on going offroading, also most driving is in the city
note:I am not that interested in getting an 8.8 because I do not plan on going offroading, also most driving is in the city
#4
WHAT!???!@!?!?? Tire width doesn't matter.
IMO...get yourself a 4.10 axle instead of getting new gears and getting them installed. You'd spend about $200 for a junkyard axle and you'd maybe be upgrading to an 8.8" rear end compared to a smaller weaker 7.5" rear.....plus you might be getting a limited slip if you're open right now. IF you decided to get 4.11 Yukons, it'd run you about $200-250 for just the gears and approx $200-500 for install. Add alot more if you are 4x4. I'm assuming you're a 2wd. In my opinion, 4.56 is too low of a ratio for 33's and the 3.0L...unless you plan on upgrading to a larger size down the road. BUT i will also say, a lower ratio = better in city mpg and funner to drive...but rpms are pretty high when on the freeway, resulting in more fuel consumption.
IMO...get yourself a 4.10 axle instead of getting new gears and getting them installed. You'd spend about $200 for a junkyard axle and you'd maybe be upgrading to an 8.8" rear end compared to a smaller weaker 7.5" rear.....plus you might be getting a limited slip if you're open right now. IF you decided to get 4.11 Yukons, it'd run you about $200-250 for just the gears and approx $200-500 for install. Add alot more if you are 4x4. I'm assuming you're a 2wd. In my opinion, 4.56 is too low of a ratio for 33's and the 3.0L...unless you plan on upgrading to a larger size down the road. BUT i will also say, a lower ratio = better in city mpg and funner to drive...but rpms are pretty high when on the freeway, resulting in more fuel consumption.
#5
#6
#7
WHAT!???!@!?!?? Tire width doesn't matter.
IMO...get yourself a 4.10 axle instead of getting new gears and getting them installed. You'd spend about $200 for a junkyard axle and you'd maybe be upgrading to an 8.8" rear end compared to a smaller weaker 7.5" rear.....plus you might be getting a limited slip if you're open right now. IF you decided to get 4.11 Yukons, it'd run you about $200-250 for just the gears and approx $200-500 for install. Add alot more if you are 4x4. I'm assuming you're a 2wd. In my opinion, 4.56 is too low of a ratio for 33's and the 3.0L...unless you plan on upgrading to a larger size down the road. BUT i will also say, a lower ratio = better in city mpg and funner to drive...but rpms are pretty high when on the freeway, resulting in more fuel consumption.
IMO...get yourself a 4.10 axle instead of getting new gears and getting them installed. You'd spend about $200 for a junkyard axle and you'd maybe be upgrading to an 8.8" rear end compared to a smaller weaker 7.5" rear.....plus you might be getting a limited slip if you're open right now. IF you decided to get 4.11 Yukons, it'd run you about $200-250 for just the gears and approx $200-500 for install. Add alot more if you are 4x4. I'm assuming you're a 2wd. In my opinion, 4.56 is too low of a ratio for 33's and the 3.0L...unless you plan on upgrading to a larger size down the road. BUT i will also say, a lower ratio = better in city mpg and funner to drive...but rpms are pretty high when on the freeway, resulting in more fuel consumption.
I was wondering on the weight smarty pants. If its a 10.50 he might be able to get away fine with 4.10.
Last edited by marcua56; 02-19-2009 at 03:28 PM.
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#13
EXCUSE ME....TIRE DIAMETER is what you use in order to determine proper gear ratio. Tire width has NOTHING to do with it whatsoever. Say he's going from a (assuming he's a 4x4 edge) 245/75r16(30.5") to a 33" tire, that's 10% difference in diameter. 3.73 x 1.10 = 4.103....he's fine with 4.10s for a stock like feel.
If you're considering unsprung weight in this, assuming the added width of a 12.50 tire makes a differnce, how come you havn't asked if he's running steel wheels or alloys???
If you're considering unsprung weight in this, assuming the added width of a 12.50 tire makes a differnce, how come you havn't asked if he's running steel wheels or alloys???
#14
You are all wrong and right. A wider tire will weigh more, and weight is a factor in gearing as the more it weighs the harder it is to start to turn it. Now the weight difference between a 10.5 and 12.5 tire is negligable. There is not enough difference to factor it in so in turn the diameter is the only dimension we worry about. so you were both right.
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