Before its civilian CJ line, Willys held the Army contract for the original WWII-vintage Jeep, due in large part to the strong, reliable engine under its hood. That engine, the four-cylinder ...

the Willys Jeep MB is hardly without merit of its own. One of 300,000 produced during WW2, it was delivered to the US Army on 7 July 1945, shortly before the end of the war. Powered by a 2.2-litre, ...

Jeep's 4.0 liter straight six engine had good and bad years, separated primarily by an upgrade to the multi-port fuel injection system and troublesome cylinder heads. Read more: The 15 Most ...