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      01-22-2013, 09:48 PM   #46
Apex Everything!
radiantm3's Avatar

Drives: 2007 Honda S2000, 2017 GT350
Join Date: Sep 2008
Location: Cedar Park, TX

iTrader: (6)

Garage List
2011 E92 M3  [4.67]
2014 BMW i3  [5.00]
Originally Posted by CSMRX7 View Post
I have to admit that my experiences are very different. A little background, I have over 10,000 laps at my local track, where I was an instructor (which closed last summer ). I have done probably 600 laps in an NA M3 and probably 1100 laps in a SC E90 (575 and 625 kits) on this track. I never had any overheating issues, although our ambient temps way up North are lower than California.

I have been able to do much better laps with the SC. I saw appeciably higher speeds on both the front and back straight with front straight speeds increasing by 30kph on the front straight. The only place I saw any slower times was on the entry to the front straight that was a 2nd gear turn, so traction is an issue here with street tires. On r-compounds this was not a problem, so beyond requiring early braking points I didn't see any deterioration of lap times.
Are you 6MT or DCT? Both of the 600 kit cars I know are DCT. Not sure that has anything to do with it, but just curious. Regardless, I'm glad the intercooled kits are performing well for you guys. I guess there aren't many guys with 535 kits doing many track days. I'd love to hear more from those guys.
2011 E92 M3(Sold). 2007 Honda S2000 (Track Car). 2016 Cayman GT4 (Sold). 2017 Shelby GT350 (AKA Crowd Killer).

My pet project:

Last edited by radiantm3; 01-22-2013 at 09:56 PM.