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FYI -
Here are a couple of web sites that are a lot of help when trying to determine the size tire and wheel offset to use.

http://www.1010tires.com/WheelOffsetCalculator.asp

http://www.miata.net/garage/tirecalc.html

Rick . . . .
Hi Rick, I have put on mine the XLR V wheels from Bob (standby) on this forum and they look just great:thumbs

I have Pirelli`s 245/45 19 on front and 255/40 19 on rear (just the reg. XLR V size)

here`s a picture

http://i80.photobucket.com/albums/j184/harrysxlr/P4300002.jpg

Hans



 

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That looks great Hans. I love the color. I'm putting 255x45x18 front on 8.5 inch AZA Z-1 wheels and 275x40x18 rear on 9.5 inch AZA Z-1 wheels. The package should be in by early Feb.

Rick . . . .
Rick, thank you, I think with this big size tires it looks great but if you do this change why you didn`t choose 19`s?

Hans



 

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Discussion Starter · #8 ·
Hans,
I was looking at 19's but, with the tire sizes I chose I would have to change the aspect ratio from a 55 to 45 up front and 55 to 40 in the rear in order to keep my rolling circumference close to correct. That could make for a stiffer ride (smaller sidewall) and the possibility of bending a rim on pot holes.

Rick . . . .
 

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Hans,
I was looking at 19's but, with the tire sizes I chose I would have to change the aspect ratio from a 55 to 45 up front and 55 to 40 in the rear in order to keep my rolling circumference close to correct. That could make for a stiffer ride (smaller sidewall) and the possibility of bending a rim on pot holes.

Rick . . . .
Rick,
oh I see and understand this! Hope you`ll post some pics when you have it on your car.

Have a nice day
Hans



 
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