12 Apr 2020, 21:53 (Ref:3970425)
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#125
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 Race Official 20KPINAL
Join Date: Jul 2008
Posts: 23,308
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Quote:
Originally Posted by Peter Mallett
IIRC it was 1979 when radials were first used. Always found it strange, since I'd been running radials since the early 70s on my road cars.
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I believe it was 1977.
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