Tyres on 97 S70

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Guest

Currently have 4 fairly shot 205/50-16's on the above.

Has anyone got 205/55-16's on their S/V 70- wondering about rubbing issues
(on the front mcPherson strut etc)

Reason being 50's are about £15 / corner more than 55's!

Tim..
 
In an earlier contribution to this discussion,
Tim (Remove NOSPAM. said:
Currently have 4 fairly shot 205/50-16's on the above.

Has anyone got 205/55-16's on their S/V 70- wondering about rubbing
issues (on the front mcPherson strut etc)

Reason being 50's are about £15 / corner more than 55's!

Tim..
Click to expand...

Bear in mind that you'll get an increase in gearing - with the associated
speedometer and odometer errors - of about 3% if you do this. You'd have to
come down to 185/55-16's to (more or less) restore the original gearing.

FWIW, some 70-series variants do have 17" wheels - so I doubt whether
clearance is a problem.
 
Bonnet Lock said:
In an earlier contribution to this discussion,


Bear in mind that you'll get an increase in gearing - with the associated
speedometer and odometer errors - of about 3% if you do this. You'd have to
come down to 185/55-16's to (more or less) restore the original gearing.

FWIW, some 70-series variants do have 17" wheels - so I doubt whether
clearance is a problem.
Click to expand...

Yes- but they have 40 and 45section tyres, so overall diameter is probably
the same giveor take as a 16inch wheel with 50 section tyres..

Tim..
 
Currently have 4 fairly shot 205/50-16's on the above.

Has anyone got 205/55-16's on their S/V 70- wondering about rubbing issues
(on the front mcPherson strut etc)

Reason being 50's are about ?15 / corner more than 55's!

Tim..
Click to expand...


Yes. I have 205/55-16 winter tyres on a 2000 S70 T5. No problem --
apart from the speedo difference (i.e., 3.27% - probably within the
standard error rate of the speedo anyway).

puff
 
puffdawg said:
Yes. I have 205/55-16 winter tyres on a 2000 S70 T5. No problem --
apart from the speedo difference (i.e., 3.27% - probably within the
standard error rate of the speedo anyway).
Click to expand...

Do they rub on the wheelarch liner or coil springs at all when on full
lock?? I've looked on mine, and even on 50 profiles there isnt alot of room.

Tim..
 
Do they rub on the wheelarch liner or coil springs at all when on full
lock?? I've looked on mine, and even on 50 profiles there isnt alot of room.

Tim..
Click to expand...

Not at all. I have driven four winters on 205/55's and I am sure
there was no contact - well, until snow stuck to the wheelarch, of
course, but you can't have sufficient gap to avoid that.

The hypothetical difference is 20 millimeters in diameter (611 vs.
631), that is 10 in radius. As one tends to drive slower in the
winter, the tyres are probably inflated to the low end of the range,
which may contract the effective diameter further, so you probably end
up with not more than 5-6 millimeters (a fifth of an inch) of real
radius growth.

puff
 
I've noticed something similar but with 225/50 tyres as opposed to 205/55
and was thinking about the wider tyres (maybe then it'll stop the front end
breaking away so easily! - mines a T5..)
Anyone tried this at all???

Thanks!

A.
 
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