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View Full Version : Fitting 40" Tires


Marko
08-21-2006, 07:50 PM
Hey I'm getting a 6" Lift in my truck what additional mods do i need to do to fit big tires like that under it???

Blazerboy
08-21-2006, 08:07 PM
you wil need 3" bodylift and maybe a bit of fender trimming

MetalMan
08-21-2006, 09:15 PM
Yeah you're gonna be doing some fender trimming alright...your Chev isn't a 1/2T I hope.

ri0
08-21-2006, 10:11 PM
a little body massage always works..

Ginger Snaps
08-21-2006, 10:38 PM
sawzall time[36]

and if it is a 1/2ton i wouldnt run 40's unless youv swaped them axels

HEAVY METAL
08-21-2006, 10:57 PM
6" 40's n/p... DO NOT do a body lift.. you will have to trim the front fenders

trailburban
08-21-2006, 11:06 PM
I think bodylifts are crap too. 1 inch body lift tops.
fender trimming is the way to go after suspension is done (springs, shackles, hanger drop)
if its a 1/2 ton i'd stick with a 35, or a 37 tops.

Marko
08-21-2006, 11:15 PM
So far its 1/2 ton but I wanna go to some 3/4 ton diffs if i pick up this parts truck and maybe go with longer shackles...then its all fender trim from there i guess lol. What do ppl do mod wise needed stuff with a larger lift? after the 6"

trailburban
08-21-2006, 11:26 PM
3/4 ton crap is a 1 ton rear end and a 1/2 ton front end. so now you can run a 44 in the back and a 35 up front. unless you do like stuckle and a few others and build up the front end to hold up to a tall tire.

the advantage to 3/4 is if you blow up the front, the rear will still hold up to get you home.

unless you have an 89 burban, then a 10 bolt is bulletproof. :)

Lucas
08-22-2006, 08:31 PM
run the 1/2 ton stuff and run it hard ,just be redy to change axle shafts,ive seen 40s work before

MetalMan
08-22-2006, 08:51 PM
Larger lift...steering arms, shocks, diff angling (for pinion angle) and/or t-case dropped, driveshafts lengthened and possibly multi-jointed, brake lines, lots of little shit. A lot of it can be rednecked...

As for the 1/2T shit, it'll hold for a very short while, it WILL give out so either upgrade or be prepared...bring spare parts. Diffs are the main thing, t-cases go too (208's) but in my experience they're the last thing to go. 3/4T, is still 1/2T front but as was said at least the rear will always get you home. Having that peace of mind is nice.

ottoman
08-22-2006, 11:12 PM
3/4 ton crap is a 1 ton rear end and a 1/2 ton front end. so now you can run a 44 in the back and a 35 up front. unless you do like stuckle and a few others and build up the front end to hold up to a tall tire.

the advantage to 3/4 is if you blow up the front, the rear will still hold up to get you home.

unless you have an 89 burban, then a 10 bolt is bulletproof. :)


[16] [16] what are you smokin?????????????

Mudtoy
08-23-2006, 12:31 AM
I've got a 81 chevy halfton taht im looking to put a 6 inch lift in and 3/4 ton diffs... how much are the aftermarket D44 front shafts?

trailburban
08-23-2006, 10:11 PM
about 300 for both

Marko
08-23-2006, 10:14 PM
sweet cuz i'm getting a 86 or 89 Burb so steal the rear diff from it is what you guys would do after i blow mine? and how did people shim there axles to the right angle? and where can i get driveshafts lengthened/ replaced for a longer one...or at least how do i redneck that kinda stuff

trailburban
08-24-2006, 11:29 PM
you don't need to extend driveshafts on a burban, or shim axles unless you go over an 8" lift

you can't break a 10 bolt on a burban if you drain out the gear oil right away. I've been running my 10 bolt for over a year on 35's with no more than a cup of gear oil.