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Home > GM 2300 engine


The 2300 was a 2.3 L (140 in³) I4 automobile engine produced by General Motors from 1971 through 1977. It was available with a 1 or 2 barrel carburetor and was used in the Chevrolet Vega and similar Pontiac Astre. It was a SOHC design with a 3.501 in (89 mm) bore and 3.625 in (92 mm) stroke and 8:1 compression.


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)


1 Cosworth

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).

2 See also

2300



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