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#38860 2nd Gen Fit Window Duct Allowance Request

From Eric Yagel · B-Spec · Recommended to the Board

2nd Gen Fit Window Duct Allowance Request

#38860 from Eric Yagel · Recommended to the Board · Minutes (2025-11 Fastrack)

In GCR, Section 9.1.10.D.4., change as follows:
"All cars shall run with both front door windows fully open (down) if equipped, and shall have a driver’s side window safety net
per GCR Section 9.3, Window Safety Nets. Any cars where a window safety net cannot be installed, arm restraints shall be used.
Arm restraints are not an acceptable substitute for window nets in other cars. Window safety nets shall be mounted in such a
manner to provide protection in the event the driver’s door opens. Rear windows shall be run in the closed (up) position. All cars
shall run with both front door windows fully open (down) if equipped and shall have a driver’s side window safety net per GCR
Section 9.3, Window Safety Nets. The OEM window opening on the front doors shall not be filled in with any material, other than
the material required to mount a NACA-duct for driver cooling. If used, the NACA-duct shall be mounted in the front, lower,

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corner of the window opening. The area closed off to mount the NACA-duct shall not exceed 50 square-inches. In rain conditions,
a quarter window larger than 50 square-inches may be used in the area normally used to mount the permitted NACA-duct, in an
attempt to minimize the amount of water entering the cockpit. Enough open area for the driver to exit in an emergency shall
remain open at all times. Rear windows shall be run in the closed (up) position."