|
Gordon Wingrove in Porscge 917: The Undercover Story says it was "what appears to be a birch ply" and was done for heat insulation purposes, especially useful in long races. He was a race mechanic for John Weyer back when they raced the 917s, so his testimony carries some weight.
__________________
1971 911S, 2.7RS spec MFI engine, suspension mods, lightened
Suspension by Rebel Racing, Serviced by TLG Auto, Brakes by PMB Performance
|