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| Year | 1 barrel hp (kW) | lb.ft (Nm) | 2 barrel hp (kW) | lb.ft (Nm) |
|---|---|---|---|---|
| 1971 | 90 (67) gross | 136 (184) | 110 (82) gross | 138 (187) |
| 1972 | 80 (60) gross | 121 (164) | 90 (67) gross | 121 (164) |
| 1973 | 75 (56) | 115 (156) | 85 (63) | 122 (165) |
| 1974 | 75 (56) | 115 (156) | 85 (63) | 122 (165) |
| 1975 | 78 (58) | 120 (163) | 87 (65) | 122 (165) |
| 1976 | 70 (52) | 107 (145) | 84 (63) | 113 (153) |
| 1977 | 84 (63) | 117 (159) |
A Cosworth version of this engine was produced in 1975 and 1976. It was a version of the 2300 de-stroked to 3.16 in (80 mm) with special DOHC 16-valve heads and solid lifters. It produced 120 hp (89 kW) and 107 lb.ft (145 Nm).