Re-Gearing: Is it worth it? Derp. - Ford Powerstroke Diesel Forum
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Old 07-31-2014, 05:52 PM
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Re-Gearing: Is it worth it? Derp.

I went over to 4 Wheel Parts and received a quote of $2700 for 4.11's, parts, labor, and extended warranty. I have 38's with 3.55's right now. I may do 4.27's, but not sure. The parts catalogue recommended higher than 4.88's, which seemed kinda strange but it was also recommending 3.55's for tires smaller than 30" or maybe even 25", I can't remember exactly. They only sell "G2" gears...

Anyway, is it really worth almost $3,000 to change gears? How much of an improvement will I notice? Which ratio is best for me? Are "G2" gears any good, or perhaps bad? Thanks...
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Old 07-31-2014, 06:01 PM
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For somebody who knows what they're doing, $1000 per axle is not uncommon.
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Old 07-31-2014, 06:26 PM
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Hmm. Yeah $2650 was higher than I expected, it's $2450 without the warranty. I better shop around some...
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Old 07-31-2014, 06:44 PM
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I just picked up my truck today from 4wheel parts after getting a 6" lift with 37/13.50/20's.

I have the 3:55's and I honestly didn't notice much difference. I haven't pulled my toyhauler yet, but I think unless you tow often , it may not need gears. Going from a stock 34" to a 37" or even a 38" isn't big enough jump in my opinion, but that's just me.

This Diesel engine rocks. Not like the old days of a 1/2 ton gasser with stock 31's or 32's and going to 38's. Had to definitely re-gear then.
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Old 07-31-2014, 06:46 PM
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Regardless of the gearing argument... IMO if you don't do a locker/tru trac while you are in there then you are wasting labor money.
GoFastPadre and Cheap6.7 like this.
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Old 07-31-2014, 06:54 PM
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Not really an apples to apples comparison on trucks or usage but I have G2 gears in the rear of my ranger (G2 doesn't make a reverse cut gear for my front axle) and its taken some abuse on hills and rocks. Hopping and bouncing around and broken a shaft or two but no gear issues. A local transmission shop charged me 200 bucks labor per axle. Sounds really cheap but they've done 4 axles for me and all are still good. When I checked with 4 wheel parts they were about 450 an axle labor only. Hope that helps a little.
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Old 07-31-2014, 11:30 PM
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Thanks guys. That was all useful information. Ramathorn, I know what you mean about not noticing a difference. I've driven on 35's, 37's, and now 38's and I haven't noticed any losses. I probably won't be doing much towing. I've read a good deal of hype on re-gearing, but it's not enough for me to drop $2000 on it. I can do more effective mods with that money...
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Old 08-01-2014, 10:07 AM
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It really doesn't become a big issue until you tow...the 6.7s have good power, but it works harder turning big heavy 38s with 3.55 gears. And like stated previously, it really is a waste to do JUST gears and not do a detroit locker rear/truetrac front while getting gears done at same time.

For $2900 OTD (tax, parts, labor) at 4 wheel parts austin: front detroit true-Trac with 4:10 gears, full installation kit. Rear detroit locker with 4:10 gears and full installation kits. I provided them with the Amsoil gear lube, that's it. And I got $120 rebate through Eaton for the differentials since they were running a 30-day rebate special in March of this year.

So far, it's been flawless...pulls like a freight train and virtually unstoppable off road
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Old 08-02-2014, 06:56 AM
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I regeared mine to 4.30 with 8" lift and 22/37s love it. I prob shouldof prob done 4.10s. I may put 38s later.It pulls like a train! My truck runs about 350 more rpms than stock. It runs about 2,000 rpms at 72 mph. My main reason for gears was power and i didn't want any strain on my tranny. Mine was about $3k, Yukon 4.30s,Amsoil,front/rear Mag Hytec diff covers.
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Old 08-02-2014, 09:40 AM
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When you guys say it pulls like a train, do you mean towing or normal driving? For instance, what kind of difference would I notice accelerating from a complete stop?
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