Vette(s): 1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.
Welcome to the forum.
The two differences that I can think of off the top of my head are the spring rates and the diameter of the sway bars. Plus the big block comes with a rear sway bar while the small block doesn't unless you get the Gymkhana suspension.
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Corvette (Vette) Model Years on this site: 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982