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 runner gear upgrades
#992808
04/04/10 06:29 PM
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Joined: Sep 2009
Posts: 41
OP
Getting the Wheeling Fever
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anyone know the stock gearing in a 86' 4runner. I'm running 32 bfg's with stock gears and I want to upgrade but am at a loss so far. Any advice?
Last edited by chpfx; 04/04/10 06:56 PM.
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Re: runner gear upgrades
[Re: chpfx]
#992809
04/04/10 07:05 PM
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Joined: Jan 2000
Posts: 12,153
Web Wheeler
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Re: runner gear upgrades
[Re: chpfx]
#992810
04/06/10 03:48 AM
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Joined: Jan 2002
Posts: 1,617
Body Damage is Cool
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I believe 4.10 and 4.30 were the only ratios available that year. 4.10 with manual trans and 4.30 with auto. I was happy running 4.30 gears (as an upgrade from 4.10) with 31" tires on a mostly street driven '84 xtra cab with a 22RE 4cyl. -- Matt
'89 4runner SR5, 3.0, auto (fun)
'93 xtra cab, dlx,3.0, 5spd (work truck)
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Re: runner gear upgrades
[Re: chpfx]
#992811
04/06/10 08:11 AM
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Joined: Apr 2002
Posts: 3,568
Roll Me Over
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If you have a 5-spd I would go w/4.88's. They are a little taller than you need for 32's, but 4.56's will be a little short for the 32's. My '90 X-cab came stock w/5-spd/4.56's and 31's, w/the 3.0 there wasn't much noticeable loss w/32's, but my mpg's did suffer a little. Given the weight of the 1st gen Runner and the less power of the 22r(e), I think the 4.88's would be a good fit. The 4.88's will also allow you to run 33's(correct tire for 4.88's and a 5-spd), if you decide you need a little bigger tire in the future.
More than tread lightly. Leave it like you were never there, nor anyone else.
'90 X-cab 4.88's 33 BFG AT's, rr ARB, Headers, Ignition upgrade, cold air induction.
'91 X-cab 5.29's 315's BFG MT's, rr ARB, custom bumper and flatbed
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Re: runner gear upgrades
[Re: 4Crawler]
#992812
04/17/10 05:37 PM
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Joined: Sep 2009
Posts: 41
OP
Getting the Wheeling Fever
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wow thanks, thats a lot of info it will come in handy in near future, I'm moving a little at a time. This time gears & clutch, next new head(don't have a clue what to upgrade to) other eng. work. Than finish body,paint &seats.
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Re: runner gear upgrades
[Re: chpfx]
#992813
04/17/10 08:38 PM
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Joined: Jan 2001
Posts: 11,595
Forum Moderator
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Re: runner gear upgrades
[Re: Adam F]
#992814
04/18/10 01:42 AM
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Joined: Sep 2003
Posts: 1,856
Body Damage is Cool
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Re: runner gear upgrades
[Re: chpfx]
#992815
04/18/10 05:00 AM
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Joined: May 2009
Posts: 177
Wheeler
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What I suggest also is http://www.engnbldr.com/ . RV head, RV Cam and I chose Doug Thourly headers. And of course a 2 1/4' exhaust. You might consider the exhaust first, it is very restrictive.
Ralph
1991 Toyota 4x4 Standard Cab Pickup.
engnbldr cam and head.
Doug Thorley Headers
Home Made Cat Backs
30x9.5x15 BF Goodrich All-Terrain M/T KM2
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Re: runner gear upgrades
[Re: chpfx]
#992816
04/20/10 02:00 PM
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Joined: Sep 2009
Posts: 41
OP
Getting the Wheeling Fever
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Hey everyone, thanks for all the info. think i'll go with the 4.56's planning to pull them out of a v6 runner, added a pacesetter header and getting a new cat. neext week pullin the eng. and tranny not going exteme however giving a much needed rebuild. If I get away with it maybe a new cam. <img src="/forums/images/graemlins/smile.gif" alt="" />
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