Glass experts:

My 1970 911T coupe (built January 1970) is undergoing a glass-out restoration and paint job. The original delivery document lists options C 02, US Equipment; 058, Rubber Bumper Guards; 414, 911 S Instruments; 428, Towing Hook rear; and 453 Radio Frankfurt US Band. Since there is no listing for a tinted glass option, I have been shopping for a clear windshield to replace the tinted one that was in place. However, I saw recently an unsubstantiated reference to a US DOT requirement for cars to have tinted windshields from 1969 onward. This has me wondering if the "US Equipment" on my car included a tinted windshield. Can anyone substantiate the existence of this requirement, show documentation on the contents of option C02, or document other US-spec cars that have or had clear windshields? Looking for evidence that will tell me whether I should buy clear or tinted. My searches on the forum were inconclusive.

Thanks,

BruceE