05-05-2008, 01:24 PM
Guys, those calculator forms are fun, but they really are not accurate. Many tires do not hold true to their markings and can be up to 10mm different than they are listed at. The best way is to use the manufacturer's actual dimensions for comparative purposes.
Larry Herman
2006 Cayenne S
2010 Allegro RED 38QBA
Nationally Certified PCA Instructor
Past Flames:
1994 RS America Club Racer
2004 GT3 Track Car
1984 911 Carrera Club Racer
1974 914/4 2.0 Track Car
2006 Cayenne S
2010 Allegro RED 38QBA
Nationally Certified PCA Instructor
Past Flames:
1994 RS America Club Racer
2004 GT3 Track Car
1984 911 Carrera Club Racer
1974 914/4 2.0 Track Car