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Last Post 15 Apr 2013 06:17 PM by  Z1NONLY
Street Tires to Slicks how much time gained?
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wrandleman
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20 Mar 2013 04:01 PM
I checked with my BSP MSM competitor/friend. He said it was ok to share his www.Mazda-Speed.com user name: Woofster

He'll be the best source I know. I know he went to 275 A6 on 15 rims (I think 10") last fall.
Canyonfive
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20 Mar 2013 04:53 PM

Yeah nice guy very helpful. I wish i could get him down to socal. Maybe for the super regional? if you can get him down from Oregon nudge him a little. The increase in grip from a 225 A6 to a 275 A6 was staggering!  I would estimate more than a second on a 45 second course (I'll bet over 3 seconds compared to the RS3).-woofster

wrandleman
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20 Mar 2013 06:29 PM
I'm hoping to beat him on raw time at least a time or two this season in my STR MX-5
Frank05v
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02 Apr 2013 03:42 PM
I'd say it depends on course, surface, etc. A MSM is a very good car but it does have its shortcomings in the autox world. Lets face it, if it didn't it wouldn't be in BSP, it would be ASP. LOL
Z1NONLY
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15 Apr 2013 06:14 PM
I once hopped out of my under-prepped BSP 350Z on 275 Kumho Xsstreet tires and into an otherwise showroom stock 350z on 275 A6's.

This was a ~30 second "test and tune" course that I could do in my sleep. I was a second faster in the stock Z on A6's, vs my Z on XS's with shocks, springs, sways, Quaife LSD, and 2.5 degrees of negative camber.

Race tires are the magic pixie dust of this sport.
Z1NONLY
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15 Apr 2013 06:17 PM
^And that was with just a single run on the A6's. I'm sure I lost a little time building up faith in the race tires through the first few elements.
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