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#839839 - 10/04/07 09:52 PM gearing options for a 1987 Toyota 4Runner
Gregg Offline
Need a Spot
Registered: 09/15/07
Posts: 17
I currently have a 1987 Toyota 4Runner with a 5 speed manual transmission, 31" tires and 4.10 gears. I am looking to upgrade to lower gears and would like to get the front and rear differentials out of a junkyard with the lower gears already in the third member.

Today I was cruising the local junkyard and came across a few 4runners with the following axle codes.

1. G282
2. G292
3. G072
4. G144
5. G254

From what I can figure out the two codes that hold promise are the G282, G254 and G144. Will any (or all) of these codes work in my 87 Runner?

G282 is a 4.300 gearset from a 1987 4Runner 4 cylinder automatic
G254 is a 4.556 gearset from a 1990 (I think) 4Runner (not sure of motor since it was missing)
G144 is a 4.875 gearset from a 1994 Automatic 4Runner (6 Cylinder motor)

What are the possible issues? I know the last number of the code is the number of Pinon gears.....does that matter if I want to swap out the entire 3rd member? Does it matter if the 3rd member is coming out of a vehicle with an automatic transmission and I will be installing it into my 4runner with a manual transmission? Did Toyota use the same axle spline count in all their 4runners?

Any help would be appreciated.

Thanks,
Gregg
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From the Off-Road World
#839840 - 10/04/07 09:55 PM Re: gearing options for a 1987 Toyota 4Runner [Re: Gregg]
4Crawler Offline

Web Wheeler
Registered: 01/12/00
Posts: 12152
Loc: N. California. USA *****
All the 8" thirds swap no problem, axle splines the same. 4-pinion (V6 and turbo) is somewhat stronger than 2-spline, but they all work fine. The OEM 4.88 gears/carrier is somewhat unique, gear-wise, so you are basiclly "stuck" with that ratio. The other ratios are all swappable, though.
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#839841 - 10/04/07 10:03 PM Re: gearing options for a 1987 Toyota 4Runner [Re: 4Crawler]
Gregg Offline
Need a Spot
Registered: 09/15/07
Posts: 17
What is a good price for the differentials from a junkyard with 4.56 gears? I was just quoted $450 each.....that seems incredibly high.
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#839842 - 10/04/07 10:13 PM Re: gearing options for a 1987 Toyota 4Runner [Re: Gregg]
4Crawler Offline

Web Wheeler
Registered: 01/12/00
Posts: 12152
Loc: N. California. USA *****
Sounds like 2-3X too high, but search http://www.car-part.com/ to get an idea of the going price.
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#839843 - 10/04/07 11:22 PM Re: gearing options for a 1987 Toyota 4Runner [Re: 4Crawler]
Staceman Offline
Body Damage is Cool
Registered: 09/30/03
Posts: 1686
Loc: Phoenix, Az
Here's some 4.56's (REAR) with the 4 Pinion carrier (V6) Plug-n-play on a 4cyl.

Quote:


1992
Carrier
Toyota Truck 4.56 GEAR 001711033 $150 Lowe's Auto Parts, Inc. USA-TN(Knoxville) E-mail 1-865-577-2561


Here's a FRONT 4.56 for manual hubs

Quote:
1991
Carrier
Toyota Truck Axl, 4 Cyl, w/o auto. disconnect diff.; W017 $50 Davis Auto Center, Inc. USA-VA(New-Church) Request_Quote 1-800-446-8544 Request_Insurance_Quote


Searched with car-part.com


Edited by Staceman (10/04/07 11:23 PM)
_________________________
85 4Runner - With NEW Marlin 4.7 Gears!! It's a whole new beast!
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