xxxtreme22r

nothing will fit Toyota gears other then Toyota gears. Unless you replace the entire rear end. Then you have to deal with other major fitment issues.

dipasqualet44

oh alright i was gonna just replace the whole rearend i just didnt know if they would fit or not.

highonpottery

iTrader: (1)

by "entire rear end", he meant the whole axle assembly, not just the differential. the only diffs that fit the 8" toyota axle will be a toyota 8" or 8.5" diff (with some modification of axle housing). don't even waste your time looking at other vehicles rear axles for such a simple fix.

you should be able to easily find a complete 8" toyota 3rd member in the 4.30 ratio for pretty cheap (like $20-150), since it was a stock gear ratio. you can also swap in any Toyota 8" diff with a different stock gear ratio, like 4.10, 4.56, or 4.88 so long as you also swap in the matching IFS differential if you want to use your 4wd - usually pretty cheap for IFS diff after someone SAS their rig and considers it "trash".

since you said your other diff laying around is a 4cyl diff from a 5spd, it is most likely 4.10 gear ratio (but you'd have to count the teeth to be 100% sure). you CAN use this diff to get your rig drivable, but since the front still has 4.30 gears you won't be able to use 4wd and many would recommend removing the front driveshaft to avoid any possible mishaps if anyone else drives your rig and/or "forgets". i would think a 4.10 IFS diff is the most abundant front diff laying around in a junk pile after people SAS - this is because many "mild wheelers" seek out the factory 4.56 and 4.88 diffs for their larger than stock tires (31-33").

as an option, many tacomas/4runners came with 4.30/TRD e-locked differentials as well; so if you are wanting an e-locker and have some fab skills to modify the axle housing, you can have a fancy selectable locker without having to change the gears on it (which will save a good amount of money). sure, it's not cheap - but it's a selectable locker

dipasqualet44

thanks^^^ and yeah i wasnt to sure how diffrent they were. but im gonna just put the 4.10 rearend from drum to drum into my truck and picking up a 4.10 front diff for only 20 bucks! i know its gonna be harder on gas because i have 255/70/16 onmy truck witch if im correct are about the same size as 31's but its just gonna be temp till i can save up to get 4.88 gears and 3 inch bodyy lift to fit my 33 12.50 i have

highonpottery

iTrader: (1)

Just swap the differential instead of the whole axle. Then while you're saving up to do the gears, you can rebuild the other to basically brand new and have a nice shiny assembly to install. Unless you know everything about that axle you have sitting around you risk something failing on that one if you swap it in: seals, bearings, brakes, etc. Not saying it will happen, but possible. Just make sure to not use 4wd in the meantime.

If you do a lot of hwy driving you might actually pick up 1mpg with that gearing. I had my highest MPGs with 4.10/31" combo but I did mostly hwy. I'd think twice on that body lift unless you need it to clear an engine swap or flat belly without cutting floor pan. I have 33x12.5 on about 1-2" susp lift and some slight cutting - no rubbing and lower COG.

dipasqualet44

yeah i have full trust in this rearend im swapping in it the truck it came out of only had 75k on it and ran really good tilll i got a oil leak and bearing started to go.
and on the body lift idk i just want some clearance to run 33 12.50

BigBluePile

iTrader: (3)

Bttt...

malvagio yota

Thanks good thread!!

t100 noob

Noob question about gearing. I have 4:10 in my t100 right now. Do 4:88 really make that big of a difference?

thefishguy77

iTrader: (1)

What size tires are on your t100. There is a big fife range between 4:10 - 4:88. I know for the stock 22re pickup 4:10 are for a 29-30 inch tire and then 4:30 for a 31", the. 4:56-4:88 for 33", then 5:29 for 35". So yea it will make a big difference but you should match your gears to your tires so you don't tank you fuel mileage. Just my ignorant opinion but thought I'd share it anyways.

broncotoyo

on fullsizebronco.com there,s a site that shows what gears to use for different size tires to keep speedometer accurate like 35s on my bronco i need 456s but i can,t find that on here? and yes i do have a 87 toyota with 31s w56 trans and 22re but was told 411s in it now but speedo reads to close so i,m thinking different

broncotoyo

sorry didn t read whole post before i posted

gtct10b

abundant amount of info here, This pothread derseves more than a sticky for sure

Nathan Brewer

So this is my vin and I'm trying to figure out my gear ratio and the charts i saw in this thread weren't making sense to me. Anyone got any thoughts?

skypilot

iTrader: (1)

Look on the firewall; not the doorjam look for a Gxx that is the gear code, dollars to donuts its 4:10.

rona27Drift

Hahaha yes that was me when I had a Prelude. Something was always wrong with it so I was always on the forum.

I'm new to this site, owned a toyota pickup 6 months now and debating 33s or 35s cause my 33s are loud and old. Looking into regearing my 1994 pickup or what else I will need besides 4.88 geared differentials to run them with my truck. (Assuming I need both front and rear?)..


Thanks for the noob links I saved the page

Meljo

Ok don't hate me but I have a 94 toyota pickup 4×4 sr5 with a 4in suspension lift and I'm not understanding wheel sizes and really what spacers do?