i an going with 35 s
will i need the 4.88 gear or a new speed sensor

 

need a little more info than that

 

sorry
96 4 runner ltd automatic
3"toytec sus lift
1" wabbit body lift
i havent installed this stuf yet
and i want to run 255 85 16 tires
could i go wider on the tires
i am still buying parts and some say you need a speed sensor and 4.88 gears
i thought i should ask a pro

 

what tire sizes equal 35 inches
i like them wider to fill the fender flare holes

 

I know 315.75r16's are a 35x12.50. You will need kind of a lot of lift to clear this size tire, just so you know.

Also: a 255.85r16 is a 33x10.50, not a 35.

As for the gearing, we need to know what gears you have now and what size tires it came with stock...

 

some links worth reading....

35's
https://www.yotatech.com/forums/f31/35s-64357/

Fitting 35's on a 3rd gen without going sky-high
https://www.yotatech.com/forums/f2/fitting-35s-3rd-gen-without-going-sky-high-73003/
http://www.trailslesstraveled.com/vehicles/19/overview/

 

is the stock gearing like 4:30s ?

 

ill look for thre gearing later i gotta go to work
thanks for all the help so far
it looks like i might pull 35 3 off with the 3 inch sus and 1" bl
but will they fit on stock rims
if not how big can i go on stockers

 

You're only going to be able to fit 33's with a 3 inch suspension and a 1" body, especially if you are only using stock rims.

A 35" tire will rub on EVERYTHING in there. You would need at least a 3" body lift, aftermarket rims, and some fender cutting to do 35's. Not to mention you will want to re-gear, which is some $$$$ too... I'm guessing this is only going to be a mall-crawler? I say that because 35's will rub like crazy off road without some serious lift, even 33's rub in some cases.

 

With that much lift, go ahead and go with 305/70/16. They are 33x12.50 and will be perfect.

35's are a pain in the ass unless you have considerable fender trimming. I have 8" of lift and still rub at full stuff.

As for gearing, go for 4.88's but, you prolly wont need to if your going with 33s

 

about correcting the speedometer:
http://ttora.com/wiki/index.php/Speedometer_error

 

Hmmph. Neato....

 

With that ammount of lift, just run 285's.

 

i am having trouble identifying the stock gear ratio
i am going with the 33's instead
it came with 265 70 16's stock
and ill definately try the speedo gearing trick!
i have the c/tr & a/tm numbers if they will help identify the gearing
it is a japanese truck so the first two of the vin are jt
the c # is 1a5
tr # is lj45
a # is a30a
tm# is a340f
hope this helps
now i am completely lost

 

so 285 75 16
and 305 70 16
are basically the same height
what gives
i also saw where someone said that
\305's couldnt be mounted safely on stockers
so 33's with a 3 inch sl and a 1 " bl right?

 

285 75
or 305 70
comments from people who have been in this situation before?

 

285/75 can easily be mounted on stock rims

305/70 im not sure but im sure it can be done.. id prob go with at least 8 to 9 inchs of wheel width for those

 

The "metric" dimensions are W (tread width (mm)), SHP (sidewall height percentage(mm)), and RD(rim diameter (in))

So to convert from metric to inches height:

Tire Width: Width = (W)/25.4
Easy, just convert from millimeters to inches.

Tire Height: Overall Height = ((2*((W)*(SHP/100)))/25.4)+RD
Little tougher. You take the tire width, multiply by the percentage value,
multiply by 2 because there are two sidewalls, convert to inches, and add
the rim diameter in inches.


So a 285x75r16 is:
------------------
Width: 285/25.4 = [11.22 in.]
Height: ((2*((285)*(0.75)))/25.4)+16 = [32.83 in.]

A 305x70r16 is:
------------------
Width: 305/25.4 = [12.00 in.]
Height: ((2*((305)*(0.70)))/25.4)+16 = [32.81 in.]

So a 305x70r16 is about 3/4 of an inch wider than a 285x75r16, but the same overall height.

 

thanks brian you made up my mind
i ll go with the 285's
they probably perform on the street better
i am sure they are lighter
they sound safer
thanks guys for all the great input
i ll post pics when the project is finished
i just cant quit adding things

jeremy

 

yeah, thats how it goes, im putting 285-75-16's on, street tread (yokohama geolanders)... on stock 16x7 rims.... the have 3/8 inch or so clearance between tire and frame up front when turning, and about 3/8 inch clearance on upper-a arm... this is with about 3 inch suspension lift, havent checked rears, but should be ok....