7.0 liters is 427.2 cubic inches (7,000 cc) by straight math. Makers round, so the engines sold as 7.0 L measure from 425.0 to 429.9 cubic inches.
The most common: 427.4 ci (Ford 428 (FE)); 429.2 ci (Ford 429 (385)); 426.2 ci (Dodge 426 (RB)); 425.8 ci (Ford 427); 427.7 ci (Pontiac 427); 427.4 ci (Chevrolet 427).
| Engine | Codes | Years | Bore × stroke | Cubic inches | cc | Cylinders |
|---|---|---|---|---|---|---|
| Ford 430 (MEL) | — | 1958–1965 | 4.300" × 3.700" | 429.9 | 7,044 | 8 |
| Buick 425 (Nailhead V8) | — | 1963–1966 | 4.313" × 3.640" | 425.4 | 6,972 | 8 |
| Mercury 427 (FE) | Super 427, 427 SOHC | 1963–1967 | 4.228" × 3.787" | 425.5 | 6,972 | 8 |
| Ford 427 | — | 1963–1968 | 4.232" × 3.784" | 425.8 | 6,978 | 8 |
| Dodge 426 (RB) | 426-Hemi, 426 Hemi | 1963–1971 | 4.252" × 3.752" | 426.2 | 6,984 | 8 |
| Pontiac 427 | LS7, 428 H.O. | 1964–2015 | 4.125" × 4.000" | 427.7 | 7,008 | 8 |
| Oldsmobile 425 (Rocket) | — | 1965–1967 | 4.125" × 3.975" | 425.0 | 6,965 | 8 |
| Ford 428 (FE) | 428CJ | 1966–1970 | 4.132" × 3.984" | 427.4 | 7,004 | 8 |
| Chevrolet 427 | — | 1966–1969 | 4.250" × 3.766" | 427.4 | 7,004 | 8 |
| Chevrolet 427 (Big Block Chevy) | L88 | 1967–1969 | 4.250" × 3.760" | 426.7 | 6,993 | 8 |
| Buick 430 | — | 1967–1969 | 4.185" × 3.900" | 429.2 | 7,033 | 8 |
| Ford 429 (385) | 429-2V, 429-4V | 1968–1973 | 4.362" × 3.590" | 429.2 | 7,033 | 8 |
| Cadillac 425 (425 Series) | L33, L35 | 1977–1979 | 4.083" × 4.059" | 425.1 | 6,966 | 8 |
Cubic inches and cc are worked out from each engine's bore and stroke. Years are the model years of the factory cars on this site that list the engine.
Start with the engine code: on 1981-and-later cars and trucks it is a character of the VIN (the 8th on most American makes), and most blocks carry a code stamp. Each engine's page lists its codes and the cars it came in. See the VIN engine code lists by make.
427.2 cubic inches by straight conversion (1 liter = 61.024 cubic inches). Real 7.0 L engines measure 425.0 to 429.9 cubic inches; the table above lists each one.
7,000 cc by definition. The engines sold as 7.0 L range from 6,965 to 7,044 cc.
Makers name engines by rounded sizes. The real size comes from bore × bore × stroke × 0.7854 × cylinders, so two engines sold as the same size are often a few cubic inches apart.