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Another tyre question

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defuzz:
two of my tyres are going to need replacing very soon, can't afford to do all 4 so it will have to be 2 at a time...

1) Obviously I'll put the two new uns on the same axle but would it be better to put them on the front or back?

2) At the mo I've got 205/80/16s on and I'll probably be going for Colway ATs looking at the sizes I could go for 235/70/R16 as they are the same diameter but a little wider:
    2a) Will they fit on Standard Disco Alloys?
    2b) Is it safe to put different width tyres on?
    2c) If worst came to worse and I got a puncture on the new tyres, my spare is the old width, is it horribly dangerous to have different widths on the same angle? How about just for a "get me to the tyre place" emergency?


thanks everyone

Carroll:
Afternoon,

235/70/r16 is a standard disco fit, so it won't be a problem getting them on to the alloys. However, there may be a very slight difference in the diameter of the tyres.

Anyway, with mixed tyres, if you need to brake sharply on the road there is going to be a significant difference in the grip each pair of tyres can manage. That would lead to handling problems, which could be quite spectacular! I think it would get a lot worse if you need the spare on the same axle as one of the new ones.  :shock:

I might be wrong here, and I'm sure there's plenty of folk that know better. I just think that if you already have doubts you're probably right to have them!

If I were you, either save up for a complete set of 235's or get 2 more of  what you've got.

Just my ten pence' worth you understand.

TimM:
I'd agree about the diameter,

the 70 and 80 bit in the description is the size of the tyre wall ie 70mm and 80mm so a 80mm tyre would have a larger diameter, i.e it would stand higher.

If you fit different size tyres I think you would need to put the bigger ones on the back. Don't quote me on this bit though.....

 :wink:

paul_humphreys:
Theres some colway ATs on ebay for £140 for 4 235x70x16.

defuzz:

--- Quote from: "TimM" ---I'd agree about the diameter,

the 70 and 80 bit in the description is the size of the tyre wall ie 70mm and 80mm so a 80mm tyre would have a larger diameter, i.e it would stand higher.

If you fit different size tyres I think you would need to put the bigger ones on the back. Don't quote me on this bit though.....

 :wink:
--- End quote ---


As far as I know 80/70 refers to the ratio of width to height and according to this site:

http://members.shaw.ca/jbarge/tires.html

they are both the same diameter.

I think I can get 4 brand new colways for £160 so better than questionable qulaity second handers

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