difference in 15 x 6.5 and 15 x 7 inches wheels? - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » difference in 15 x 6.5 and 15 x 7 inches wheels?

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jurgen87

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Registered: 4th Aug 07
User status: Offline

16th Nov 07 at 12:07

as above whats the difference? and i got 195/50/15 tyres on them with an et 0f 38 will they rub with a 30mm drop?

C_O_R_S_A___B

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Registered: 17th Jul 06
Location: Thornley, County Durham
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16th Nov 07 at 12:13

half an inch wideness difference in the rim!!

not sure why it would cause it to rub if it was the rim being wider but the tyre being the same?!

Jon

Ste L

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Registered: 3rd Jul 06
Location: Manchester Drives: 106 16v Rallye
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16th Nov 07 at 12:18

probably rub, due to offset

jurgen87

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Registered: 4th Aug 07
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16th Nov 07 at 12:21

i got 6.5 inches wide rims i guess this puts the rim half an inch more in then normal et30 offset actually making the offset like et48 as one inch is 1cm. am i saying something stupid?

Ste L

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Registered: 3rd Jul 06
Location: Manchester Drives: 106 16v Rallye
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16th Nov 07 at 12:29

offset wont change with the width..

jurgen87

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Registered: 4th Aug 07
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16th Nov 07 at 12:35

wat does the width change so?

aron

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Registered: 10th May 07
Location: Ware, Hertfordshire
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16th Nov 07 at 12:45

ET38 should be fine.

i have ET37 15x7 down 60mm and they never rub. thanks to some minimal trimming of the rear plastic...

you should be fine mate...

TheCam

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Registered: 16th Mar 07
Location: Kirkcaldy
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16th Nov 07 at 12:53

quote:
Originally posted by jurgen87
wat does the width change so?

I think he means, if the front wheel is 6.5 inches and the rears are 7 inch, where does the extra half inch go? to the inside of the wheel or does it stick slightly further out?

I know what im tryin to say its just hard to explain it lol.

jurgen87

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Registered: 4th Aug 07
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16th Nov 07 at 16:51

yeah that is what i mean where does the half inch difference go, because if the 0.5 spreads from both sides of the rim than i guess it would obviously change the size of how much the rim would stick out or in

Robin

Premium Member

Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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17th Nov 07 at 03:29

quote:
Originally posted by TheCam

quote:
Originally posted by jurgen87
wat does the width change so?

I think he means, if the front wheel is 6.5 inches and the rears are 7 inch, where does the extra half inch go? to the inside of the wheel or does it stick slightly further out?

I know what im tryin to say its just hard to explain it lol.

Half on the inside, half on the outside.

For example, am 8" wide rim with an ET25 offset will sit 13mm further out towards, and 13mm closer to the strut than a 7" wide rim with the same offset.

edit - to get the above example to site the same distance away from the strut as the 7" wide wheel, you'd have to lower the offset of the 8" rim to ET12, then it'd sit an inch further out towards the arch, but no different on the inside.

[Edited on 17-11-2007 by Robin]

dwcars1.4

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Registered: 13th Dec 06
Location: Blackburn Drives: corsa b 1.6 sport
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17th Nov 07 at 04:55

2 confuzling for me like

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