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A Historical Account Of The Jeep 4.0 Inline Six.


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I found this little gem while scrolling through a buddy of mine's website, figured it was to good not to share. :D



Little known historical facts about the Jeep 4.0

Posted: 20th September 2012 by bleepinjeep in Engine
Tags: 4.0, engine, granite, I-6, inline, jeep, motor, six, straight 6, tj, torque, xj, yj, zeus


The original Jeep 4.0L inline-six was hewn from a solid block of granite by lightning bolts. Its cylinders were bored by the Imperial Winds and its rotating assembly was balanced by the Scales of Justice. The Ancient Egyptians used Jeep 4.0L engines to move the blocks which built the Pyramids, only switching to slave labor when it was found to be cheaper than the olive oil used to fuel the engines. Scientists have ranked the Jeep 4.0L engine as one of the strongest forces of nature, racking right up there with tectonic plate shifts for its low-end torque, and being surpassed by hurricanes only for its comparatively low redline. Mechanics have found imprints of fossilized dinosaur bones in block castings, and serial numbers in Roman numerals are a common sight. The design of the 4.0L’s fuel injection system has been traced to the archives of Leonardo DaVinci, and early manuscripts of Shakespeare plays have been used as head gaskets for this engine (which, incidentally, explains the gaps in Shakespeare’s collected works as well as the 4.0L’s tendancy to leak oil). The engine’s ancient roots also explain its ability to run on some very non-conventional fuels (original translations of the Rosetta Stone include evidence of Jeep 4.0L engines running on ox blood) as well as lubrications (during the Middle Ages, Jeep 4.0L crankcases were often filled with barley, with no detrimental effect on power output). Historians maintain that the fall of the Roman Empire hinged on their inability to design a superior engine, and had the Titanic been powered by a 4.0L Jeep engine, 1912 might have been a much happier year. Yes, had early-20th-century naval engineers had a touch more foresight, the Jeep 4.0L may have saved mankind from ever having to endure Leonardo DiCaprio and Celene Dion in the same sitting.
The only weakness in this otherwise unstoppable force of nature? Emissions. Yes, the engine’s design may have come from the hand of Zeus, and its exhaust note at full throttle may have reverberated along the rock formations of Arizona to forge the Grand Canyon, but by the year 2007 its crude emissions control (originally consisting of papyrus strips soaked in the tears of the young Tutankhaman) had become outmoded, and the legendary, nay Biblical force of the Jeep 4.0L was put to rest.







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This is great!  I could've sworn I saw Robert Stack talking about a 4.0 on Unsolved Mysteries a while back.

Robert Stack, aka as Eliot Ness in the Untouchables, one of my all time favorite actors. They don't make em like that anymore. 


Don't forget the 3.7L Chrysler slant six. It rivaled the 4.0 in reliability and durability, and blew it away when it came to HP in built I6 engines.

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One engine I've always thought was under rated was the 230 OHC made back in the early 60's. Was originally designed for A/C use as well as automobile, Was primarily meant for the home built air craft movement with hopes of eventually selling it to commercial airplane builders. Unfortunately never panned out.

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