I've bought a set of 15" Avon crossply slicks!
For a while I've been tempted to try slicks. 15" slicks are expensive and hard to find second hand. Fitting 13" rims is not possible on the road version of the CSR without modifying the rear brake calipers. MOG racing sells a kit for conversion to 13" rears, but it is rather expensive. I've also considered to just shave the caliper with a grinder, but after a bit of measuring I thought it would be too much of shaving to feel comfortable.
I'd also like to keep my crossply-setup so I can go back to ACB10 without too much hassle, so crossply slicks would be of preference, but many people recommends radial slicks.
Anyway the urge for slicks became too great to resist so until I feel comfortable on spending money on new rims and conversion kit I bought a set of Avon 15" crossply slicks. A financial disaster and probably not a very good idea for the long run but I couldn't resist.
Comparison between my current ACB10 and ACB0 slick tyres:
| Tread | Diameter | Compound | |
|---|---|---|---|
| ACB10 8.0/22.0-15 (215/40-15) | 206 mm | 561 mm | ? |
| ACB10 7.0/22.0-15 (195/45-15) | 180 mm | 551 mm | ? |
| ACB0 8.7/21.5-15 | 213 mm | 561 mm | A56 |
| ACB0 7.0/21.5-15 | 177 mm | 561 mm | A24 |
| ACB10 tread rear/front: | 1.14 |
| ACB0 tread rear/front: | 1.20 |
| ACB10 rake: | rear 5mm higher |
| ACB0 rake: | 0 mm |
More rubber on the rears and less rake. Maybe I'll get a bit of understeer?
Sources:
http://www.avonracing.com/
http://csr.informe.com/forum/csr-track-day-slicks-dt66.html
http://www.pistonheads.co.uk/gassing/topic.asp?h=0&f=101&t=1010028&mid=179024&nmt=CSR+Slicks
http://www.westermann-motorsport.com/shop/product_info.php?info=p300_Conversion-for-CSR-to-13-.html
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