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1990 4runner rear diff ratio

Tech talk for Hilux

Moderators: toaddog, Elmo, DUDELUX

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Posts: 11
Joined: Wed Jul 29, 2009 7:52 pm
Location: lismore

1990 4runner rear diff ratio

Post by shaunh »

was wondering what the standard ratio in my rear diff, wanting to increase the ratio to decrease the revs on the highway
also wondering what diff centre would suit
Posts: 459
Joined: Mon Mar 07, 2011 9:23 am

Re: 1990 4runner rear diff ratio

Post by old lux »

What size tyres? What motor? Auto manual? I got a turbo 2.8 and was running 4.56 with 33s and use to get 100kph at about 2500-2750rpm
93 duel cab lux. 2.8 TD twin locked. Big tyres, little lift. Wide stance. Barwork and build up under way
Posts: 1256
Joined: Mon Jun 19, 2006 7:05 pm
Location: newzealand

Re: 1990 4runner rear diff ratio

Post by tweak'e »

there is a few different ones that came out. i don't know what ozzie got as standard. eg some diesels came out with 29" tires and 4.3 diffs while others where 31" tires and 4.56 diff.
if you think the diffs are stock then find the diff code on the plate on the firewall. there is several lists around on the net that will tell you what ratio it is. just be aware i found one list to be incorrect on some of them.
Posts: 11
Joined: Wed Jul 29, 2009 7:52 pm
Location: lismore

Re: 1990 4runner rear diff ratio

Post by shaunh »

tyres are 30s, 22r carby, manual.
Posts: 1451
Joined: Sat Mar 18, 2006 1:25 pm
Location: hilux is in NSW.. Im in WA again

Re: 1990 4runner rear diff ratio

Post by brad 93hilux »

http://downunder4x4.net/forum/showthread.php?t=3167" onclick="window.open(this.href);return false;

Read that
3.0L turbo diesel, 4" lift, bud's front housing, track assasin cv's, air lokker front + Rear, beadlock'd 37 stickies, high steer, 15.5" travel ranchos, high pinion diff and coils on the rear
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