Nodge68
Well-Known Member
It depends on the wheels and tyre combo fitted.
Mine has style 2 17" wheels, which have 5 pairs of spokes and Chinese Jinyu tyres (I know but it came with them and they don't want to wear out
)This combination gives about 8mm at the rear, and 12mm at the front, between the side walls and strut tube.
If it's very close to the Mass damper on the rear strut, then it's probably broken loose from it's rubber and needs replacing or removing.
Nodge68
Well-Known Member
Indeed the vehicle is programmed to the factory fitted tyres on the production line.
This can also be changed using JLR SDD. This is the same for all modern vehicles, which is why the speedometers are so accurate.
Craig_mate
Active Member
I'll investigate further at the weekend. Tar.It depends on the wheels and tyre combo fitted.
Mine has style 2 17" wheels, which have 5 pairs of spokes and Chinese Jinyu tyres (I know but it came with them and they don't want to wear out
This combination gives about 8mm at the rear, and 12mm at the front, between the side walls and strut tube.
If it's very close to the Mass damper on the rear strut, then it's probably broken loose from it's rubber and needs replacing or removing.
72 is not illegal (in Germany;-)) Had the old horse on 100/110mph and there was a lot of space that time. Not sure if that would still be the case with 207T mi now, though.
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Surely 12.6% cant be right....that's huge ?
Craig_mate
Active Member
I'm trying to upload a picture of my shock/tyre situation and it says I don't have permission....?
Nodge68
Well-Known Member
The forum has an issue.
Very few members can upload at the moment, although some can copy an image and then past onto the post. I can't do that though.
GrumpyGel
Well-Known Member
Had an interesting 1 today at work.
Couple dropped off their campervan. Its an old 'budget' / 'backpackery' type van - 2004 Toyota Hiace van conversion - done over 350k miles.
Anyway, they asked to be reimbursed for the 2 speeding tickets they got because the speedo was showing under. Said the speedo was showing 50 and they got nicked for doing 62.
Thought they might be pulling a fast one, so I drove it with another fella following in another van, sure enough, I was doing an indicated 50 and the fella following had to do 60 to keep up - felt faster than 50 as well.
I did my prechecks on the van after it got back and even though there's a '45 psi' sticker over every wheel, they were pumped to 50 psi, but I don't suppose that could make the speedo read 20% slow!
Van had had a COF just before they picked it up - a 'commercial' (more stringent) version of the WOF (MOT). Would have thought they would check the speedo accuracy.
Couple dropped off their campervan. Its an old 'budget' / 'backpackery' type van - 2004 Toyota Hiace van conversion - done over 350k miles.
Anyway, they asked to be reimbursed for the 2 speeding tickets they got because the speedo was showing under. Said the speedo was showing 50 and they got nicked for doing 62.
Thought they might be pulling a fast one, so I drove it with another fella following in another van, sure enough, I was doing an indicated 50 and the fella following had to do 60 to keep up - felt faster than 50 as well.
I did my prechecks on the van after it got back and even though there's a '45 psi' sticker over every wheel, they were pumped to 50 psi, but I don't suppose that could make the speedo read 20% slow!
Van had had a COF just before they picked it up - a 'commercial' (more stringent) version of the WOF (MOT). Would have thought they would check the speedo accuracy.
Speedo isn't checked in the MOT, only for obvious defects eg broken needle etc
Nodge68
Well-Known Member
It's probably not in NZ either.
Something is probably not original and is throwing the reading off....
GrumpyGel
Well-Known Member
Yes, was thinking that. The speedo appears to be working OK. No jerking or anything.
Have googles standard tyre sizes for the van so will check when I get into work, but it does look to be a big difference for tyre sizes to make.
