AMC Pacer Engines by Year

The wide-bodied Pacer used AMC's sixes and, late on, a V8. Ratings are gross through 1971 and SAE net from 1972.

Pick a year to see every engine offered that model year, with its code, rated horsepower and the trims it came in. Each engine links to its full specs.

Jump to a year

1975–1980: 1975 · 1976 · 1977 · 1978 · 1979 · 1980

1975–1980

1975 Pacer engines

Engine	Rated	Offered in
258 inline-six	95 hp net	—

1976 Pacer engines

Engine	Rated	Offered in
3.8L / 232 inline-six	90 hp net	—
4.2L / 258 inline-six	—	—
4.2L / 258 inline-six	95 hp net	—

1977 Pacer engines

Engine	Rated	Offered in
3.8L / 232 inline-six	90 hp net	—
4.2L / 258 inline-six	—	—
4.2L / 258 inline-six	95 hp net	—

1978 Pacer engines

Engine	Rated	Offered in
3.8L / 232 inline-six	90 hp net	—
4.2L / 258 inline-six	—	—
4.2L / 258 inline-six	100 hp net	—
5.0L / 304 V8	—	—

1979 Pacer engines

Engine	Rated	Offered in
3.8L / 232 inline-six	90 hp net	—
4.2L / 258 inline-six	100 hp net	—
4.2L / 258 inline-six	110 hp net	—
5.0L / 304 V8	125 hp net	—

1980 Pacer engines

Engine	Rated	Offered in
4.2L / 258 inline-six	—	—

Working on one of these engines?

• Engine displacement from bore and stroke
• Static and dynamic compression ratio
• Which camshaft for your build
• What size carburetor
• Horsepower to torque at any RPM
• Torque converter stall speed

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