isnt the 96'v8 a four speed ?
mine is ?
cheers
p.s but go the muddies![]()
Hi All,
I am about to buy some new tyres. I have a choice of 245/70 16 All Terrains or 245/75 16 Mud Terrains.
I would prefer the Muds but am worried about the effect it will have on my Disco's gear ratios.
Does it affect the 5th gear when on the highway? If yes, how?
Thankyou,
isnt the 96'v8 a four speed ?
mine is ?
cheers
p.s but go the muddies![]()
Bruce
Whether they are muddies or AT wont affect the gearing, it is the increase in size that will affect the gearing. The larger the tyres the harder it is for the engine to turn the tyres. In fifth gear your revs will be lower on the highway with the larger tyres, but you will find that you will not be able to carry speed through hilly sections and will have to change more regularly (if you are a manual that is).
Then it depends on if you need the muddies? If you only go offroad occasionally, then get the AT's. But if you like the rough stuff go for the muddies. Obviously the ATs will have better manners on road and will be quieter than the muddies which can get quite noisey as they wear.
What brand are you looking at? The Goodyear MTRs are a good muddy and are good on road.
Angus
Almost all D1 speedo's are 5-6 % out so fitting 245/75/16's will correct the speedo, change to gearing will be unnoticeable.
MY08 TDV6 SE D3- permagrin ooh yeah
2004 Jayco Freedom tin tent
1998 Triumph Daytona T595
1974 VW Kombi bus
1958 Holden FC special sedan
Thanks for the replies.
My Disco is a manual and is used mostly for Overland trips and not as an everyday vehicle. I also tow an offroad trailer with it.
I am thinking of going for the BF Goodrich tyres.
IMHO I think 245/75 16's are the best size choice on/off road for D1's and with pressure out the 75 aspect provides an excellent off road footprint. If you do more than 50% on road the muds noise is a pain but not your problem. BFG's are 1st rubber of many here..
Last edited by cockie55; 24th February 2008 at 06:07 PM.
I bought some s/hand 245/75 Muddies from Clarkie the naughty boy and they have been my play tires.
They do make all gears higher and you do notice it in traffic - not a problem, just different.
They WILL catch at the backs of the rear wheel arches and you will have to do a tiny bit of cutting. I thought I would get away without but learned that I was wrong!
I doubt I would ever want to go bigger. I have 225/75 ATs for normal driving and touring and they are much smoother. Muddies have a definite rumble and are MUCH more slippery in the wet. Even on dry bitumen they have nowhere near the grip. I like having both.
245/75's are fine. The speedo on mine is now dead true. ( was 5% out on stock size )
Yes you will need to trim a little off the lip under the bottom rear quarter panel - not hard seeing it is only aluminium - just use some tin snips or a hacksaw.
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