03-24-2014, 03:28 PM
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#1
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Registered User
Join Date: Aug 2004
Location: Alta Loma, CA
Posts: 1,334
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It's a starting number, the final number comes out after the corner weights. Me giving you numbers won't help you 
We run ride height XX because of the bump steer in these cars. Run them super low? bad bump numbers. Since we cannot adjust the bump in SPB (like I would in a full monoball car) RAISE the car up until the bump numbers get better  Simple.
BoxsterS has less bump gain in the rear due to a change in the casting. They moved the toe link back from axle centerline, which slows the toe gain in bump.
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Engine Builds, Transmission Builds, Engine Conversions, Suspension Installs, Suspension Tuning, Driver Coaching, Data Acquisition, Video, SCCA/PCA/POC/NASA/GRAND AM/ALMS.
We have worked with amateur and professional drivers for over 26 years. In house machinist, In house fabrication. Our cars, our parts, our engines, our transmission's run nationwide at events every weekend. We work side by side with industry names developing parts.
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03-24-2014, 03:50 PM
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#2
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Registered User
Join Date: Feb 2014
Location: Cowtown CA
Posts: 369
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Quote:
Originally Posted by Brad Roberts
It's a starting number, the final number comes out after the corner weights. Me giving you numbers won't help you
We run ride height XX because of the bump steer in these cars. Run them super low? bad bump numbers. Since we cannot adjust the bump in SPB (like I would in a full monoball car) RAISE the car up until the bump numbers get better Simple.
BoxsterS has less bump gain in the rear due to a change in the casting. They moved the toe link back from axle centerline, which slows the toe gain in bump. |
Thanks - since I'm not SPB bound, my car has adjustable bump - so I'm less worried about it.
Since I'm new to this world - just trying to gain as much knowledge as I can. The previous owner kept extremely detailed notes on setup, corner balancing etc. I'm going to drive the thing a few times and see whats up.
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03-24-2014, 05:02 PM
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#3
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Registered User
Join Date: Aug 2004
Location: Alta Loma, CA
Posts: 1,334
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PCA Club race at Thunderhill next weekend.
I'll be there with 4 customer Boxsters.
Sign up for the DE, and I'll help you anyway I can
The NorCal Boxster racers help each other .. a lot.
__________________
Engine Builds, Transmission Builds, Engine Conversions, Suspension Installs, Suspension Tuning, Driver Coaching, Data Acquisition, Video, SCCA/PCA/POC/NASA/GRAND AM/ALMS.
We have worked with amateur and professional drivers for over 26 years. In house machinist, In house fabrication. Our cars, our parts, our engines, our transmission's run nationwide at events every weekend. We work side by side with industry names developing parts.
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03-24-2014, 05:10 PM
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#4
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Registered User
Join Date: Feb 2014
Location: Cowtown CA
Posts: 369
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Quote:
Originally Posted by Brad Roberts
PCA Club race at Thunderhill next weekend.
I'll be there with 4 customer Boxsters.
Sign up for the DE, and I'll help you anyway I can
The NorCal Boxster racers help each other .. a lot. |
Unfortunately I can't make it - wife's big Bday weekend in Sonoma County.
Really appreciate the offer and really wish I could make it.
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03-24-2014, 07:57 PM
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#5
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Registered User
Join Date: Aug 2004
Location: Alta Loma, CA
Posts: 1,334
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Ok 
CA Speedway festival speed PCA club race the weekend after THILL race 
Should have 8 customer cars at that event for me
__________________
Engine Builds, Transmission Builds, Engine Conversions, Suspension Installs, Suspension Tuning, Driver Coaching, Data Acquisition, Video, SCCA/PCA/POC/NASA/GRAND AM/ALMS.
We have worked with amateur and professional drivers for over 26 years. In house machinist, In house fabrication. Our cars, our parts, our engines, our transmission's run nationwide at events every weekend. We work side by side with industry names developing parts.
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