4.10's! - FordTough.ca - Home of Canadian Ford Truck Enthusiasts
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post #1 of 30 (permalink) Old 06-06-2012, 11:45 PM Thread Starter
 
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4.10's!

Just dropped my truck off at the shop to get the gear swap from 3.55 to 4.10's. Figure it will help the trans out a bit more. Can't wait to break them in and see the difference!

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post #2 of 30 (permalink) Old 06-07-2012, 07:06 AM
 
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Definitely an improvement in tree stump pulling ability.
As an added bonus, you'll get to change those pesky rear tires sooner.

If Princess Auto were a real girl, I'd ask her to marry me.
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post #3 of 30 (permalink) Old 06-07-2012, 10:10 AM
 
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Is that supercharger going to love you!

Such is life. Just passing through.

04 F150 FX4 Screw 5.4 with couple of mods
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post #4 of 30 (permalink) Old 06-08-2012, 10:19 PM Thread Starter
 
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Quote:
Originally Posted by b4000 View Post
As an added bonus, you'll get to change those pesky rear tires sooner.
Hehe I don't beat on her that much at all. They aren't done yet, they let me know before hand that they were gonna work on it in-between what they already had on the plate so no big surprise, I do hate the excited waiting!

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post #5 of 30 (permalink) Old 06-09-2012, 08:18 AM
 
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I don't think you'll regret going with the 4.10's.... I swapped out the OEM 3.55's in my old Mustang for 4.10's and the difference was amazing.

First gear was pretty shallow (it was a five speed), but after that, holy crap did it pull.

Raptor comes equipped with them already and considering how heavy the truck is, it moves along nicely.

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post #6 of 30 (permalink) Old 06-09-2012, 02:39 PM Thread Starter
 
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Yup all the research pointed to 4.10s being ideal for 33" tire, I really can't wait, its killing me lol. A friend has a raptor and yes they pull so nicely, effortless so to say and I think those are 35's as well?


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post #7 of 30 (permalink) Old 06-09-2012, 03:29 PM
 
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Essentially yes. 315/70/17 translates to 34.5 " to 35 " apparently....enjoy the new gears.

801A - 6550 lb bundle of joy
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post #8 of 30 (permalink) Old 06-10-2012, 03:02 AM
 
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I have 4.56 gears with my tires that measures 35.5 (when they were new) they are like running 4.10 gears on stock tires the differnce is night and day you wil love them

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post #9 of 30 (permalink) Old 06-11-2012, 07:32 PM Thread Starter
 
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Called today to check up on how they are doing, they said they had some issues with "the rear axle bearings not going and bearing being too tight?? so they had to sand off some" ....I stopped listening there pretty much because I have never heard of that...its either the bearings fit or they don't, If they don't = wrong size bearing or my axle shafts saw some heat and swelled up on the old bearings, and I need new axle shafts. That is my conclusion..I have to go and see tomorrow, apparently it went together, but I'm a bit worried now on what exactly they had to sand down. Maybe I'm being a bit paranoid..ugh I hate other people touching my shit, I would hate to have it fail few months down the road.

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post #10 of 30 (permalink) Old 06-12-2012, 12:14 AM
 
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Did they say bearing o.d. or i.d.? Heat should shrink things unless bearings seized to axles. In which case they may have scored getting old bearings off.

Such is life. Just passing through.

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