1968 and 1969 ~ 383 {10.0-1 Compression Ratio}
Deck Height .................... +.021" {Above Deck}
Compression Height .......... 1.934"
1967 and earlier ~ 383 {10.0 -1 Compression Ratio}
Deck Height ..................... -.014" {Below Deck}
Compression Height .......... 1.908"
