AMC Straight 6 engine
The American Motors straight-6 and straight-4 engine family was used by a number of AMC and Jeep vehicles from the 1960s through the present. All are OHV pushrod engines with a cast iron block.
258
The 258 in³ (4.2 L) inline-6 was produced until 1988. It featured an undersquare 3.75 in (95 mm) bore and 3.90 in (99 mm) stroke.
This engine was used in the Jeep Wrangler, AMC Pacer, AMC Gremiln, AMC Hornet.
2.5
The 2.5 liter inline-4 was a version of the 258 bored to 3.88 in (99 mm) and de-stroked to 3.19 in (81 mm). It appeared in 1985.
This engine was used in the following vehicles:
4.0
The 4.0 liter inline-6 was an evolution of the 258 and 2.5 and appeared in 1989. It had the same 3.88 (99 mm) bore as the 2.5 with a longer 3.41 in (87 mm) stroke.
This engine was used in the following vehicles:
See also
