Just ran across a March, 1970 Road and Track. The article is about a Corvette owner survey they did.
Interesting responses from Corvette owners:(IMHO)
AVERAGE COMPONENT LIFE
Tires--63-67 models 18,500 68-69 11,900
Shocks 28,900
Brakes, Drum 37,000
Brakes, Disc 38,300
Mufflers (standard exhaust) 29,000
Clutch (mild 327/350) 57,500 Hot 327/350 38,000
Plugs (hot 327/350) 6,700 (mild 327/350) 10,800 (mild 427) 5,600
FWIW
Interesting responses from Corvette owners:(IMHO)
AVERAGE COMPONENT LIFE
Tires--63-67 models 18,500 68-69 11,900
Shocks 28,900
Brakes, Drum 37,000
Brakes, Disc 38,300
Mufflers (standard exhaust) 29,000
Clutch (mild 327/350) 57,500 Hot 327/350 38,000
Plugs (hot 327/350) 6,700 (mild 327/350) 10,800 (mild 427) 5,600
FWIW
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