I have a 63 spit window that has a copper tag rivited to the frame behind the rear drivers wheel that reads 'TEST LAB 61'. I have been unable to verify positively what Test Lab 61 actually was. I've had lots of theories and hearsay but I'd like to find something on paper. SN # is 101. It has some items not shown on production cars, so I know that it was something special......But what?
Thanks
Brad
Thanks
Brad
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