Saturday, April 3, 2010

Cobra’s First Boots – Tire Size and Choice

The tires arrived this week, the thoughts behind selection (size, aspect ratio and make) was based on the following:

1. The first set of tires may show excessive wear as alignment, tire pressure and driving style are dialed in (I am sure I won’t be able to resist a few donuts and burn outs)

2. Maximum tire diameter cannot exceed 26”

3. Body is yet to be fitted so maximum clearance at this stage is a must.

The wheels were discussed in an earlier thread (17” x 9” front, 17” 10.5” rear), the maximum tire not exceeding a 26” diameter would be 315/35 R17, however this would also be the widest configuration and so to keep at a 25.7” diameter consistency the chosen first rear tire is a 275/40 R17. This is married with a 245/45 R17 front, also 25.7” diameter.

Sumitomo HTR Z II were selected, basically because they were the cheapest high performance summer driving tire and I like the directional tread pattern.

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