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fitting 35" tyres on a disco

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muddyweb:

--- Quote from: "seph234" ---35's :D i think thats about it. there is an article with the 3 disco's running 35's in land rover world from back in january o5 issue it might help a little. joe
--- End quote ---


Kevin's article can be found here :

http://www.devon4x4.com/library/?articleid=9

chuggaman:
its a  world of evolution jake

changing tyres leads to a whole string of changes longer than dna

i dont know what width tyre your putting on but the arches will definatly need cutting for the extended arch flares

this will also involve taking a considerable amount off the rear door

i will assume you will have to lengthen the bump stops or lift it more

as you know i have plus three springs and 1 inch spacers(4 inch lift),,,,

with my 33 inch tyres i only just miss the inner arch with the inner edge of the tyre at the rear at full articulation(and with the offset i run the discs are almost paralell with the inner wheel rim)

until i fitted the castor corrected radius arms and 4 inch lift at the front ,,,i kept hitting the front inner arches (especially the side near the doors)

now i need a double carden prop (because of the radius arms and terrible vibration)

and rear relocation cones (they pop out all the time)

i am going to fit 35s as my next tyre

and so far as i can see now all i will have to do is extend the bumpstops by 2 inches

once youve fitted 35s with your spring lift then you will find the car will roll around like a ferry(this will probably be more scary with the power of your v8)

double shock mounts on the front will make the world of difference and take away a huge amount of roll

double shock the rear aswell (in progress on mine)and it will handle like a two ton mini 8)


but i tell you something

i can go someplaces now

and its all been worth it

hope this helps

mike

chuggaman:
forgot to add

if you put spacers under your extended springs

you will lose downward travel unless you extend your shocks or drop the shock mounts

and when i added the front radius arms my disco loks lobsided

the rear is lower than the front

new rear spring or spacers needed for me

Matt_H:
just how far can we take these discos? A mate of mine is sticking a disco body ona uni-mog - the ultimate disco conversion??

Matthew

Bulli:
Jake , good on ya.

It isnt that hard to fit 35's you dont need to lift it to the sky ive only got a 2 inch lift and it is ok. You do need to remove most of your arches - you have the devon ones and that should be fine. The transfer box will correct most of the gearing issue. If you have rock sliders you may need to cut them down. I have had to remove about 4 inches front and rear.
I also had to cut down my front bumper as the tyres rubbed that. You do need extended bump stops.
As Chugga says castor angle is well and truly screwed by that amount of lift combined with 35's. I fitted the safari gard 3 link as it is fully adjustable so i get no vibration from either propshaft-they are on their way out due to the travel im getting. Twin dampers arent needed , mine has way more roll than standard but as far as i can remember it never handled like a sports car so i have simply adjusted my driving to suit.
Now here for the real issue. What tyres were you planning to fit? If you want to go the whole hog and fit really aggressive tyres for serious offroading you need to uprate your diffs and halfshafts. 35's put a huge strain on the halfshaft so you need to look at fitting at least 24 spline if not uprated ashcroft/ maxidrive ones. The diffs are a major weak point i have heavy duty ring and pinion from ashcroft with arbs so they are very tough(touch wood). Several people i know have fitted 34 simexes and broke halfshafts very quickly.
Let me know if you want any photos of specific bits and good luck- its not that bad.

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