2.5 Litre, 151ci
2 bbl Carb, L4
RPO LS6/LX6/LS8/LX8
1978-80 Chevrolet Monza
1977-80 Oldsmobile Starfire
1977-80 Pontiac Sunbird
2.3 Litre, 140ci
2 bbl Carb, L4
RPO ZQ7
1975-77 Chevrolet Monza
1976 Pontiac Sunbird
2.3 Litre, 140ci
1 bbl Carb, L4
RPO ZQ5
1975-76 Chevrolet Monza
GM H-Body Engines
H-BODY PAGE
4.3 Litre, 262.5ci
2 bbl Carb, V8
RPO LV1
1975-76 Chevrolet Monza
Three different General Motors Division's engines were represented in the H-bodies. The 3.2L and 3.8L V6's were Buick powerplants while the 2.5L 'Iron Duke' was a Pontiac build. The 2.3L and the three V8 powerplants were genuine Chevrolet engines. Unfortunately, no Oldsmobile engines found their way into the H-Body. Below is a breakdown of each engine that was available and in what model and year(s) they were offered.
3.8 Litre, 231ci oddfire
2 bbl Carb, L6
RPO LD7
1975-77 Buick Skyhawk
1975-77 Oldsmobile Starfire
1976-77 Pontiac Sunbird
3.2 Litre, 196ci
2 bbl Carb, V6
RPO LC9
1978-79 Chevrolet Monza
3.8 Litre, 231ci evenfire
2 bbl Carb, V6
RPO LD5
1978-80 Chevrolet Monza
1977-80 Buick Skyhawk
1977-80 Oldsmobile Starfire
1977-80 Pontiac Sunbird
5.7 Litre, 350ci
2 bbl Carb, V8
RPO L65
1975 Chevrolet Monza
(only in California)
5.0 Litre, 305ci
2 bbl Carb, V8
RPO LG3
1976-79 Chevrolet Monza
1978-79 Oldsmobile Starfire
1978-79 Pontiac Sunbird
Six cylinder engines
Four cylinder engines
Eight cylinder engines
NOTE:
1 single Buick 5.7L, 350ci, 4 bbl, V8 engine (RPO Code L77) did find its way into a 1977 Buick Skyhawk, from the factory.
