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Old August 18th, 2008, 01:02 AM   #1
marcos
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Track days with no rollbar

What options are there these days for track time in a Boxster without a rollbar? If I read the NCRC rules correctly they don't even allow Brey-Krause Roll Bar Extensions since they aren't SCCA or NHRA approved. Anyone still allow a stock Boxster onto a track or is this a conspiracy to sell more Caymans?

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Old August 18th, 2008, 10:13 AM   #2
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depends on where you live. Here in Norcal you can still track a stock Boxster with GGR DE/TT series as well as Coastal Driving School.
Track Masters I believe will allow Boxsters IIRC.
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Old August 18th, 2008, 02:51 PM   #3
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Quote:
Originally Posted by Docdanracy View Post
depends on where you live. Here in Norcal you can still track a stock Boxster with GGR DE/TT series as well as Coastal Driving School.
Track Masters I believe will allow Boxsters IIRC.

Along similar subject what are people using for stock roll hoop extensions now a days? I might need to get something soon as I'm signed up with CDS at Laguna and I might be driving a Boxster.

Also has anyone done something similar to a GT3 rear roll cage with a Boxster? Something that keeps car safe for street driving, but adds more protection than stock roll hoops?
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Old August 18th, 2008, 04:55 PM   #4
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CDS will let you run w/o rollbar extensions if you keep the top up.
So no need for a quick solution here
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Old August 19th, 2008, 09:16 AM   #5
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My experience in Norcal (Boxster and Carrera Cab) is that you can track with the top up.

Just ask whoever is organizing. It should be okay at a PCA event.
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Old August 19th, 2008, 04:21 PM   #6
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I am thinking to bring my Boxster to CDS too. Signed up for Friday only.
My mechanic, Mark@Sportech, told me that I need do a track alignment before bring it to the track, otherwise, the tires will be gone very very soon. Anyone else doing that?
And what else do you do to prepare for track? Interested to know.

I am still undecided to bring 914 or Boxster to CDS. (It is totally my own problem, I realized that)
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Old August 19th, 2008, 04:52 PM   #7
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I think you would learn more in the your low powered 914.

If youre on street tires and you are running proper pressures you would be fine for a day at the track in the Boxster.
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Old August 19th, 2008, 04:57 PM   #8
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Quote:
Originally Posted by clemsonc View Post
I am thinking to bring my Boxster to CDS too. Signed up for Friday only.
My mechanic, Mark@Sportech, told me that I need do a track alignment before bring it to the track, otherwise, the tires will be gone very very soon. Anyone else doing that?
And what else do you do to prepare for track? Interested to know.

I am still undecided to bring 914 or Boxster to CDS. (It is totally my own problem, I realized that)
Mark is referring to the fact that a stock Boxster has very little negative camber in the front and therefore you will tend to wear out the outer edges of your front tires more rapidly on the track or at an AX.
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Old August 19th, 2008, 05:20 PM   #9
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Quote:
Originally Posted by Docdanracy View Post
Mark is referring to the fact that a stock Boxster has very little negative camber in the front and therefore you will tend to wear out the outer edges of your front tires more rapidly on the track or at an AX.
Dan, thanks for clarifying it.

Hmm... if I increase the negative camber in the front... and not cornering the car on the street as hard as on the track, then the inside edges of the front tires will go soon?
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Old August 19th, 2008, 05:28 PM   #10
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on my '99 I had -1.75 on the front and -2.5 on the rear. The tires wore very evenly....
the factory sets the camber near zero to attempt to keep cars from backing into solid objects during spirited cornering

they dial in a generous amount of understeer to keep unsuspecting Porsche owners from needing rear body work
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