03-02-2011, 11:25 AM
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#16
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Join Date: Aug 2010
Location: CO
Posts: 160
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I have Precision Gear 4.88s with my 315/75-16 Goodyear MT/Rs. My diffs (4.88s and ARBs) were built by Inchworm back in '04...no problems since.
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03-02-2011, 01:47 PM
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#17
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Senior Member
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Join Date: Nov 2008
Location: California
Posts: 1,898
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Quote:
Originally Posted by 05 LTD
It seems like alot of people recommend ECGS but does anyone know what it costs to ship your stuff back to them? I'm on the west coast so I don't see it being cheap.
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it says on their website. when you order you can get return shipping labels from ecgs at a discounted rate. they say $45 from the west coast
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04-17-2012, 03:11 PM
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#18
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Join Date: Jun 2011
Location: Taiwan
Age: 54
Posts: 40
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Join Date: Jun 2011
Location: Taiwan
Age: 54
Posts: 40
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WTB 4.56 gear
I want to buy 4.56 gears for my 97' 4runner (285's,arb front bumper, 3'' lift)
but i don't know where can i get. please tell me where can i buy it or tell me what's ECGS or yukons. Thanks a lot!
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04-17-2012, 05:14 PM
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#19
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Join Date: Feb 2010
Location: Columbus, Ohio
Posts: 324
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Location: Columbus, Ohio
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Vincent - ECGS stands for East Coast Gear Supply. They are a company in the US that will regear your differential for you with the gears of your choice. They will warranty the setup, replace bearings and confirm all backlash. It's a great option if you don't have a shop that can do a proper regear. There is way more to regearing than just replacing the gears due to the small tolerances that are required for proper functioning. Yukon is a gear manufacturer here in the US.
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99 5 speed 4Runner, 265/75/16 Treadwright Guard Dog MT tires, OME 880 & 90004 with Sonoran Steel machined spacer, OME 890 & 60027with Sonoran Steel Diff Drop, Sonoran Steel Adjustable Panhard Bar, 4XInnovations Front Plate Bumper, Aussie Locker rear, 1" 4crawler body lift, Stubbs HD-SKO sliders,
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08-19-2019, 11:26 AM
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#20
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Junior Member
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Join Date: Nov 2017
Location: Great Mills, MD
Age: 52
Posts: 4
Real Name: Carlos
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Junior Member
Join Date: Nov 2017
Location: Great Mills, MD
Age: 52
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Real Name: Carlos
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Quote:
Originally Posted by brian2sun
My 33s and 4.88s are ok going up the mountain, but nothing to brag about. I'm not getting passed by every car or anything, but I wouldn't call it powerful either. It really depends on your environment, altitude, and driving style, but for me, 35s and 4.30s would make me want to go crazy. I wish I would have gone with 33s and 5.29s. I have added ~700 lbs. to my runner in bumpers, armor, tools, etc.. and that basically feels like pulling a medium-sized trailer all the time. 4.88s with 33s put me back to about stock, but I know I'm a little under stock power with all that weight. And my engine just got rebuilt so it has all the power it should.
I think that's because the 3.slow and 22RE are dogs when it comes to power. Lower stock gear ratios in the 2nd gens helped mask their gutlessness.
x2.
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Hi Brian, I have 33s and plan on regearing 4:88s, using TRD alloy wheels; in your opinion, will this be appropriately geared for a weekend warrior and still have decent drivability on the highway? I'm not worried about gas, but rather if the truck will continue to downshift at 65mph. I plan to add bumpers as well. I just don't want to go too steep and not be able to drive in on the road when I'm not trailing. Any education and advice appreciated.
Last edited by Offroading RN; 08-19-2019 at 11:33 AM.
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08-19-2019, 11:56 AM
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#21
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Senior Member
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Join Date: Oct 2014
Location: Seattle
Posts: 1,037
Real Name: Scott
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Senior Member
Join Date: Oct 2014
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Quote:
Originally Posted by Offroading RN
Hi Brian, I have 33s and plan on regearing 4:88s, using TRD alloy wheels; in your opinion, will this be appropriately geared for a weekend warrior and still have decent drivability on the highway? I'm not worried about gas, but rather if the truck will continue to downshift at 65mph. I plan to add bumpers as well. I just don't want to go too steep and not be able to drive in on the road when I'm not trailing. Any education and advice appreciated.
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Running 33's myself with 4.88's from ECGS. Runs at right about 2500-2700 RPM's between 65-70mph. That is looking at the speedo, which has not been adjusted for the larger tire size, which means it's running about ~74ish when the speedo reads 70mph.
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08-19-2019, 01:28 PM
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#22
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Join Date: Dec 2018
Location: Austin
Posts: 120
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Join Date: Dec 2018
Location: Austin
Posts: 120
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Piling on, is there any different recommendations between auto and manual trans? IE should manual trans trucks have slightly lower gears VS an equivalent setup auto trans?
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08-19-2019, 01:49 PM
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#23
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Senior Member
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Join Date: Feb 2019
Location: Hot Springs, AR
Posts: 4,410
Real Name: Patrick
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Location: Hot Springs, AR
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Quote:
Originally Posted by rexassian
Piling on, is there any different recommendations between auto and manual trans? IE should manual trans trucks have slightly lower gears VS an equivalent setup auto trans?
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Manual transmissions have lower gear ratios compared to automatics so taller differantial gearing is recommended for manuals. Example: Automatic w/33's typically 4.88. Where as a manual w/33's will have taller gear ratio in the 4.10-4.56 range.
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08-19-2019, 03:43 PM
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#24
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Join Date: Jan 2019
Location: Grand Rapids
Age: 28
Posts: 489
Real Name: Werner
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Member
Join Date: Jan 2019
Location: Grand Rapids
Age: 28
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Real Name: Werner
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I personally would go with nitro gears as someone that actually remanufactures differentials for a living if you had 33s I wouldnt hesitate going 5.29s. Gearing depends on tire size yes but it also depends on the ratio of the transmission gearing as well. Toyotas do well with higher ratios. That's why they can make very little power and remain quite torque heavy on the throttle. I was just out at the dunes all week with my 3rd gen and everyone was asking how I was winning vs chevys fords and 5.7 rams with hemis in them on the sand. Its because of the gearing.
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08-19-2019, 03:46 PM
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#25
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Join Date: Jan 2019
Location: Grand Rapids
Age: 28
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Real Name: Werner
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Member
Join Date: Jan 2019
Location: Grand Rapids
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This might help explain gearing. In a simpler term. YouTube
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08-19-2019, 04:36 PM
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#26
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Join Date: Oct 2014
Location: Seattle
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Real Name: Scott
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Quote:
Originally Posted by VernySanders
I personally would go with nitro gears as someone that actually remanufactures differentials for a living if you had 33s I wouldnt hesitate going 5.29s. Gearing depends on tire size yes but it also depends on the ratio of the transmission gearing as well. Toyotas do well with higher ratios. That's why they can make very little power and remain quite torque heavy on the throttle. I was just out at the dunes all week with my 3rd gen and everyone was asking how I was winning vs chevys fords and 5.7 rams with hemis in them on the sand. Its because of the gearing.
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The only consideration for 4.88's vs 5.29's is that the 4.88 gears are going to be stronger since the ring gear doesn't have to be cut as thin to fit more teeth.
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08-19-2019, 10:24 PM
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#27
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Join Date: Jul 2016
Location: Bishop, Ca
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Quote:
Originally Posted by weekendclimber
The only consideration for 4.88's vs 5.29's is that the 4.88 gears are going to be stronger since the ring gear doesn't have to be cut as thin to fit more teeth.
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The 5.29's have more teeth engaged. Show me one scientific test that proves 4.88's are stronger then 5.29's. It's been an age old wives tale that no one has ever verified to my knowledge. I looked a few years ago and couldn't find anything other than message board arguments with no evidence either way. lol
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08-19-2019, 10:44 PM
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#28
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Senior Member
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Join Date: Sep 2015
Location: Kansas
Age: 28
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Quote:
Originally Posted by theesotericone
The 5.29's have more teeth engaged. Show me one scientific test that proves 4.88's are stronger then 5.29's. It's been an age old wives tale that no one has ever verified to my knowledge. I looked a few years ago and couldn't find anything other than message board arguments with no evidence either way. lol
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Size Matters | RANDYS Worldwide
This article seems to say that 5.29's have less teeth engaged compared to something smaller.
This one says:
"Unfortunately, the trade-off is that numerically higher ratios become thicker and therefore heavier. As the ring gear gets thicker, it becomes stiffer, and therefore deflects less. But as the ratio gets numerically higher, the pinion becomes the weakest link anyway, as it becomes smaller in size. This is why most vehicle manufacturers use a stronger grade of steel for the pinion as com-pared to the ring gear."
Techtips - Ring and Pinion Gear Selection for Optimal Performance
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08-20-2019, 10:51 AM
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#29
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Senior Member
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Join Date: Jun 2016
Location: MS
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Real Name: Mark
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Good info: Gear Ratio Calculator
RPM's listed are with 1:1 gear ratio in trans, auto 3rd gear is 1:1, manual 4th gear is 1:1.
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08-20-2019, 11:16 AM
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#30
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Junior Member
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Join Date: Dec 2018
Location: Gainesville
Posts: 11
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Yukon is the ones ive used
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