That image above my reply is really good, but for futurte referance, it might help to also share how I believe that size decodes:
L = tread width R = Radial Tire 78 = sidewall aspect ratio (-)15 = 15" wheel size
I am unsure what to make of the "C"
-- Edited by unruhjonny on Monday 28th of October 2019 01:42:48 PM
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1970 Formula 400 Carousel Red on black (std) interior "no drivetrain option" car (same base drivetrain as GTO) 1:411 1970 Firebird Formulas originally sold in Canada