 wheels for auto cross, anyone run 13 x 9 ? |
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| ottox914 |
 Dec 28 2004, 09:53 PM
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The glory that once was.  Group: Members Posts: 1,302 Joined: 15-December 03 From: Mahtomedi, MN Member No.: 1,438 Region Association: Upper MidWest   |
I was looking at my GRM that covered the recent nats, and would note that most of the hot CSP cars (those pesky miatas and the occasional MR2) are running 13" wheels. Anyone ever run some 13's on our 914's, and if so, wadda ya think?
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| Mike T |
Dec 30 2004, 07:38 PM
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can't 'member Group: Members Posts: 378 Joined: 16-January 03 From: Brackney, PA Member No.: 161 |
For a 914 in SCCA autocross, CSP and the Full Modified classes (D-Modified and E-Modified) are the only ones where you could get away with 13" wheels that I am sure of. It's possible the new Street Modified classes may allow it.
The real reason you may want to go with 13" wheels is not to get a shorter tire but that there are more choices of tire sizes and compounds if you are running slicks. The very softest rubber compounds are simply not available in the 15" sizes in as many widths and diameters as the 13" sizes. Also the 13" wheel concentrates the rotational weight closer to the hub and as a result accelerates up quicker due to a shorter rotational moment. The wheel/tire combo is potentially lighter than a 15" or 16" as well. Check online for the 2005 SCCA solo II rule book. http://www.scca.com/_filelibrary/File/2005...05SoloRules.pdf Mike T |
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Posts in this topic
ottox914 wheels for auto cross Dec 28 2004, 09:53 PM
Bleyseng The gearing in my 914 is pretty short running 205x... Dec 28 2004, 10:06 PM boxstr Will a 13" wheel clear the brake calipers?
CCLINMI... Dec 28 2004, 10:19 PM SirAndy ... Dec 28 2004, 10:39 PM Dave-O Wow Dave,
I just saw this post after checking my e... Dec 28 2004, 10:40 PM ottox914 If I were to do this, it would be with a custom ma... Dec 29 2004, 06:59 AM nebreitling yup, there's a reason all the CSP guys are doi... Dec 29 2004, 01:28 PM ottox914 Back in the day when the AVS intermediate was the ... Dec 29 2004, 10:07 PM Scott Schroeder I saved for a LONG time for a set of 13x7" panaspo... Dec 30 2004, 10:40 AM ottox914 Hey Scott, great looking '14. Please elaborat... Dec 30 2004, 02:25 PM
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