ok all you gearheads...
#1
Registered User
Thread Starter
Join Date: Apr 2007
Location: baltimore, maryland
Posts: 42
Likes: 0
Received 0 Likes
on
0 Posts
ok all you gearheads...
ok i have a stock 86' 4runner and i dont know what the stock gear size is but belive it is 4:10 or something like that because other people have said that that was thier size, its a manual tran. i am running stock size tires which are 28' with 6' rims so i think the tires are only 8' wide they are preety skinny. I have an offer lined up for 31'x10.5 tires and 15x8 mikey tompson rims (a good deal if you ask me) anyways two questions here:
*where can i look to find out the gear size(ratio) that is on it stock right now? (i have a chilton manual and owners manuals)
*based off this info can anyone tell me wheather or not i should change the gear ratio for the tires and will it mess anything up if i dont (i probably will only lose power right?)
thanks, john
*where can i look to find out the gear size(ratio) that is on it stock right now? (i have a chilton manual and owners manuals)
*based off this info can anyone tell me wheather or not i should change the gear ratio for the tires and will it mess anything up if i dont (i probably will only lose power right?)
thanks, john
#2
Registered User
If you have a good, healthy motor you shouldn't lose any power.....I didn't notice any loss.
Did you run a search on gears or gear ratio?
Did you run a search on gears or gear ratio?
Last edited by thook; 08-25-2007 at 08:43 AM.
#4
Registered User
Thread Starter
Join Date: Apr 2007
Location: baltimore, maryland
Posts: 42
Likes: 0
Received 0 Likes
on
0 Posts
yea thats where i got sort an idea on my gear size and stuff well i wouldnt say its too great its got 140,000 miles and regular oil changes
#5
Contributing Member
Join Date: Apr 2006
Location: TENN Native Languishing in Virginia
Posts: 4,787
Likes: 0
Received 34 Likes
on
14 Posts
#7
Registered User
A motor with even 300k on it can still be healthy. But, if yours isn't running great it may just need a tune up whatever size tire.
Anyway, point is I wouldn't worry about regearing for that size, if you are. Unless, you're just unhappy with the power you already have.
Anyway, point is I wouldn't worry about regearing for that size, if you are. Unless, you're just unhappy with the power you already have.
Trending Topics
#8
Registered User
Okay....right. What was I thinking? Probably because I ran 30's when I briefly switched to 31's and noticed no difference and didn't think that you wouldn't either. Except you said 28's and not 30's....which makes me wonder where I left my head this morning. Oh! There it is! In the commode! Pardon me!
Last edited by thook; 08-26-2007 at 05:57 AM.
#9
Registered User
Join Date: Oct 2006
Location: Midlothian, VA
Posts: 685
Likes: 0
Received 0 Likes
on
0 Posts
Yeah, you most likely have 4.10s (I did on my 87 4cyl 5 speed). You will notice a difference going from 28s to 31s particularly when on the interstate and climbing hills (get ready for some 3rd gear climbs). The ideal for 31s is 4.56s. I lucked into a set out of a pickup and swapped them into mine. It feels roughly stock with the 31s. It's just something you have to try and see if you'll be able to live with. I know some people that run 33s and 4.10s and don't have a problem with it but to each his own. I ran 31s and 4.10s for a few months and it bugged the crap out of me. Something I did that helped was running an open air filter. It gave me a little more power to make up for it.
#10
Registered User
Join Date: Dec 2006
Location: Wenatchee WA
Posts: 972
Likes: 0
Received 0 Likes
on
0 Posts
31s and 4.10s will be just fine, thats what i have and it worked just fine for me, while my truck is not as quick as my uncles on 235/75(somewhere between 28-29 i think) my truck isnt fast but it still goes just fine down the highway and such, and i think 31x10.50 is a really good looking size for a stock suspension. you will notice a difference but you shouldnt need to worry about regearing unless you go above 32"
#11
Contributing Member
As well gas mileage but just go for it if you don't like how it runs then swap your stocks back on and keep the 31's for offroading.