12-09-2014, 04:16 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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I have a chassis stiff kit we are testing  and TomS? The cage is good.. but stress analysis told me to "add a tube". The first time I pitched a SPB into T1 with our extra tube? HUGE difference and 20+ deg. tire temp increase on the right front (at WSIR where the right side of the car is mostly on vacation) I won't share any pics.. but feel free to stop in and look at the cars
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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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12-09-2014, 05:09 PM
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#2
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Registered User
Join Date: Feb 2013
Location: Land of naught
Posts: 1,302
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Those of us that are street-bound need a solution that's works for us. Track cars need a cage for safety anyways but we want our soft top option intact. How about it Brad-- do you have a fix?
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Death is certain, life is not.
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12-09-2014, 05:20 PM
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#3
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Registered User
Join Date: Feb 2013
Location: Land of naught
Posts: 1,302
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And lets not forget that as these cars age, the weakest areas are weakening! 
-- if we could know the 2 points of the greatest flex ( cowl and rear bulkhead?) then we could fix 'em good and retain chassis integrity into the 2-300 000 mile range...
__________________
Death is certain, life is not.
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12-09-2014, 05:56 PM
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#4
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Registered User
Join Date: Aug 2004
Location: Alta Loma, CA
Posts: 1,334
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I have a kit we are testing. It welds in under the stock carpet/pad/thing. It's multiple pieces and helps tie the center tunnel to the side rails and engine mount bulkhead.
It's very similar to what I developed with Engman for the 914 inner frame rails, but a lot more elaborate. 
(Engman/Mark is no longer with us)
B
__________________
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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12-10-2014, 06:12 AM
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#5
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Registered User
Join Date: Oct 2014
Location: Fort Collins, Co.
Posts: 74
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Quote:
Originally Posted by Brad Roberts
I have a kit we are testing. It welds in under the stock carpet/pad/thing. It's multiple pieces and helps tie the center tunnel to the side rails and engine mount bulkhead.
It's very similar to what I developed with Engman for the 914 inner frame rails, but a lot more elaborate.
(Engman/Mark is no longer with us)
B |
Sounds promising and exactly the kind of solution I expected to hear. Keep us informed. Need a test car?
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12-10-2014, 02:20 PM
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#6
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Registered User
Join Date: Feb 2013
Location: Land of naught
Posts: 1,302
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Quote:
Originally Posted by Brad Roberts
I have a kit we are testing. It welds in under the stock carpet/pad/thing. It's multiple pieces and helps tie the center tunnel to the side rails and engine mount bulkhead.
It's very similar to what I developed with Engman for the 914 inner frame rails, but a lot more elaborate.
(Engman/Mark is no longer with us)B |
How about structural adhesive???
__________________
Death is certain, life is not.
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12-10-2014, 12:55 PM
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#7
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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Quote:
Originally Posted by Brad Roberts
I have a chassis stiff kit we are testing and TomS? The cage is good.. but stress analysis told me to "add a tube". The first time I pitched a SPB into T1 with our extra tube? HUGE difference and 20+ deg. tire temp increase on the right front (at WSIR where the right side of the car is mostly on vacation) I won't share any pics.. but feel free to stop in and look at the cars |
I sent you a text. Let's get together.
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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