Author Topic: 91 Toyota 4x4 Tire Gear Question  (Read 417 times)

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Grimmjow

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91 Toyota 4x4 Tire Gear Question
« on: Jul 29, 2019, 08:30:43 AM »
Hey everyone. I have read the faqs and the wheel tire thread.
I just have a question about what I have read. Iirc 31x10.50x15 will require re gear to 4.56 gears and 33s will require re gear to 4.88s? Thanks

Snowtoy

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Re: 91 Toyota 4x4 Tire Gear Question
« Reply #1 on: Jul 29, 2019, 10:28:41 AM »
If you have a 5-spd, and want stock performance, that is correct gearing.  You can find both gear sets in oem geared diffs.
'90 black X-cab mod'd 3.0, 33's/4.88's, rear ARB, custom bumpers, sliders, safari rack, etc.
'91 Blue X-cab 22re, 35's/5.29's,Truetrac front, ARB rear, dual cases, and custom Safari flatbed, bumper, interior.
The money pit '87 Supra resto/mod

Grimmjow [OP]

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Re: 91 Toyota 4x4 Tire Gear Question
« Reply #2 on: Jul 29, 2019, 01:25:00 PM »
What difs am I specifically looking for? Can I use the difs I have and install the lower gear sets or is there a carrier difference? Thanks

Grimmjow [OP]

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Re: 91 Toyota 4x4 Tire Gear Question
« Reply #3 on: Jul 29, 2019, 01:43:18 PM »
I found this while searching. If its correct please inform me. Thanks again for your help.

These differentials seem to have come in a few different Toyotas. Combos for 4.88s we’ve seen are:

‘92-‘95 4Runner, IFS, V6, 31” tires, auto transmission, tow package
‘92-‘95 pickup, IFS, V6, 31” tires, auto transmission, tow package
The vehicle will also usually have:

door tag code of G144
white pinion paint code - the end of the pinion (driveshaft removed) will have paint on it
It seems that these are the most common combos, but there are also reports of non-tow equipped vehicles having 4.88s. Never hurts to check!

Gnarly4X

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Re: 91 Toyota 4x4 Tire Gear Question
« Reply #4 on: Jul 29, 2019, 08:25:23 PM »
Hey everyone. I have read the faqs and the wheel tire thread.
I just have a question about what I have read. Iirc 31x10.50x15 will require re gear to 4.56 gears and 33s will require re gear to 4.88s? Thanks

It depends.  I ran 31s, 32s, and 33s with my 85 Standard Cab, 5-speed with stock 4.10 gears for 10 years.

But... as Snow said.... re-gearing for larger tires is better if you want to have your factory torque in the right RPM range and in the right trans gear position.

Gnarls.
1986 XtraCab SR5 22RE 5speed W56B, ~26,000 MI after break-in, DIM (Did It Myself) rebuilt engine - .020" over, engnbldr RV head, OS valves, 261C cam, DT Header. https://imgur.com/oACTHTR

Snowtoy

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Re: 91 Toyota 4x4 Tire Gear Question
« Reply #5 on: Jul 30, 2019, 12:47:06 AM »
I found this while searching. If its correct please inform me. Thanks again for your help.

These differentials seem to have come in a few different Toyotas. Combos for 4.88s we’ve seen are:

‘92-‘95 4Runner, IFS, V6, 31” tires, auto transmission, tow package
‘92-‘95 pickup, IFS, V6, 31” tires, auto transmission, tow package
The vehicle will also usually have:

door tag code of G144
white pinion paint code - the end of the pinion (driveshaft removed) will have paint on it
It seems that these are the most common combos, but there are also reports of non-tow equipped vehicles having 4.88s. Never hurts to check!

The available years for the G144 gears, should be '89-95(non-Taco) trucks and '90-'95 4-Runners that came w/31's, the 31" tire package was offered for the '90 model year trucks and 4 Runners, not sure if it was offered for the '89 model year trucks or not.

G254 is for the 4.56 gear set, and came in manuals with 31's, and at some point 2nd gen 4-Runners with autos instead of 4.30's, my sister's'95 had SR5 had them.
'90 black X-cab mod'd 3.0, 33's/4.88's, rear ARB, custom bumpers, sliders, safari rack, etc.
'91 Blue X-cab 22re, 35's/5.29's,Truetrac front, ARB rear, dual cases, and custom Safari flatbed, bumper, interior.
The money pit '87 Supra resto/mod

CORRODED

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Re: 91 Toyota 4x4 Tire Gear Question
« Reply #6 on: Jul 30, 2019, 12:01:18 PM »
Can I use the difs I have and install the lower gear sets or is there a carrier difference?

You can install those the gears you want in your differentials, you just have to order the appropriate gear set

helipilot77

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Grimmjow [OP]

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Re: 91 Toyota 4x4 Tire Gear Question
« Reply #8 on: Aug 05, 2019, 07:55:56 AM »
Thanks for the info guys. I will put it to good use.

clange

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Re: 91 Toyota 4x4 Tire Gear Question
« Reply #9 on: Aug 21, 2019, 08:45:21 PM »
I found this while searching. If its correct please inform me. Thanks again for your help.

These differentials seem to have come in a few different Toyotas. Combos for 4.88s we’ve seen are:

‘92-‘95 4Runner, IFS, V6, 31” tires, auto transmission, tow package
‘92-‘95 pickup, IFS, V6, 31” tires, auto transmission, tow package
The vehicle will also usually have:

door tag code of G144
white pinion paint code - the end of the pinion (driveshaft removed) will have paint on it
It seems that these are the most common combos, but there are also reports of non-tow equipped vehicles having 4.88s. Never hurts to check!

The above is correct. I have a 1993 4Runner, IFS, V6 (Now converted to the 3.4), 31" tires and Auto Transmission with 4.88's.

blackdiamond

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Re: 91 Toyota 4x4 Tire Gear Question
« Reply #10 on: Aug 24, 2019, 06:40:10 PM »
I ran 4.10 gears with 32s in my ‘85 truck and was happy with its performance in Colorado (i.e. mountain passes). I was in Washington State when I went to 33s and almost immediately made the jump to 4.88 gear.  I now am running 35s with the same differentials in my ‘89 4Runner SAS.
1989 4Runner: Dual Ultimate (Inchworm front & Marlin 4.70 rear), Marlin Twin Stick, 1200-lb clutch, 4.88 R&P, Aussie Front, Detroit rear, 30-spline Longs, Long hub gears, ARP hub and knuckle studs & 35x12.50 Cooper STT PRO tires.  Marlin rear bumper & sliders.  FROR front bumper.  SAS with Alcan springs & Rancho 9000XL shocks.  Budbuilt Bolt-on traction bar.  Custom Interior Cage by Those Guys Rod and Customs.

Moab Tested & Rubicon Approved

 
 
 
 
 

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