Jeep CJ-8 Scrambler — Iron Duke (GM) Between 1981 and 1986 the CJ-8 Scrambler was equipped with GM's 2.5-liter four-cylinder engine best known as the Iron Duke.

We already knew that an engine swap was coming sometime in the near future when we acquired our new-to-us ’84 Jeep CJ-7 with a 2.5L, but having the less desirable engine led to a more desirable ...

A 1986 Jeep Comanche pickup with 4-cylinder engine, rear-wheel-drive, and 4-speed manual transmission, photographed in a Denver self-service wrecking yard.

The result of this cut-and-paste engineering was a 2.5-liter pushrod straight-four engine that ran rough and sounded unpleasant but held together pretty well. Production of the Iron Duke ran from ...

The Jeep Scrambler was offered with a variety of engines during its production run. From its 1981½ model year debut to 1983, the 151-cube GM Iron Duke four-cylinder was the base engine.

LUDLOW — The phrase, "Iron Duke" has more than one meaning in Ludlow. Brewer Nick Morin said he named his new microbrewery in Ludlow 'Iron Duke Brewing' after the four-cylinder engine he once ...

Initially, the Scrambler's base engine was the relatively wimpy Iron Duke 151 cubic-inch I4, but a carbureted version of Jeep's stalwart 2.5-liter four-banger took over as the low-end option in 1983.

The Iron Duke was only available in the base "Sport Coupe" Camaro trim, and the engine got a boost to 92 HP for the 1983 model year.

Jeep is taking the plunge into the deep end of the horsepower wars with the Grand Cherokee Trackhawk, a version of its midsize SUV that is equipped with a 707-horsepower Hellcat engine.

I know there are lots of car engines that got stuffed into pretty much everything: the Iron Duke was shoved into everything from Camaros to mail trucks, and the original Volkswagen air-cooled flat ...

Jeep is a brand that highlights independence and self-sufficiency, but that hasn't stopped the automaker from accepting a little engineering help.