-Jeep

When we say we test our parts we weren’t playing around.  We took one of our Wrangler projects to Batlground Engineering for dyno testing.  Batlground is one of the hottest motorsport shops in the southeast known for their drag racing and drifting. Almost new this 2009 Jeep Wrangler 4dr, with 1600 miles, got our Rugged Ridge ORV 4″ Lift Kit and our Black Rugged Ridge Wheels with machined lip wrapped in 35″ Goodyear Wrangler MT/R with Kevlar provided by TreaDepot.com before we did the test.  So depending on application and wheel/tire package your numbers could vary.  If you have a newer JK Wrangler with 3.8L you know the motor is a dog and when you add an offroad wheel/tire package it just gets worse.  So we wanted to know exactly how much wheel power we were putting to the ground and what performance gains we could expect from our intake/exhaust.

STOCK – Power = 145.87 Torque = 150.75
INTAKE – Power = 153.89 Torque = 158.37
INTAKE & EXHAUST – Power = 163.45 Torque = 167.69

GAINS – Power = 17.58 Torque = 17.69

In June 1940, the U.S. military informed automakers that it was looking for a “light reconnaissance vehicle” to replace the Army’s motorcycle and modified Ford Model-T vehicles. The Army invited 135 manufacturers to bid on production and developed a lengthy specification list for the vehicle, including the following:

• 600-lb. load capacity
• wheelbase less than 75 inches
• height less than 36 inches
• smooth-running engine from 3 to 50 miles per hour
• rectangular-shaped body
• two-speed transfer case with
• four-wheel drive fold-down windshield
• three bucket seats
• blackout and driving lights
• gross vehicle weight below 1,300 lbs.

At first, Willys-Overland and American Bantam Car Manufacturing Company were the only two companies answering the call. Soon, however, Ford Motor Company entered the picture, and competition began among the three over which company would receive the lucrative government contract.

Each company produced prototypes for testing in record time. Bantam’s chief engineer, along with a team of Bantam executives, worked out a design, and the company built its field car within 49 days.

Willys-Overland Vice President of Engineering Delmar G. Roos designed the Willys Quad. Ford developed its Model GP (General Purpose), known as the Pygmy, which was powered by an adapted Ford/Ferguson tractor engine. Each company delivered its prototype to the Army in the summer of 1940 and received approval to build 70 sample vehicles.

The Army took possession of these vehicles in November 1940 at Camp Holabird, Md. Each of the three designs exceeded the Army’s specification of 1,300 lbs., but the Army soon realized that limit was far too low and raised it for the next round of vehicles.

The Army issued the next round of contracts in March of 1941. Bantam was to produce 1,500 Model 40 BRC vehicles, Ford would build 1,500 modified and improved GP Pygmies, and Willys would build 1,500 Quads. Further testing and evaluation led to the Army’s selection of the Willys vehicle as the standard.

Subsequently, most of the Bantams and Ford GPs (also known as GPWs) produced were sent to Great Britain and Russia as part of the lend-lease program. In Great Britain, the Ford vehicle was popularly known as the “Blitz Buggy.”

Willys MA/MB

With modifications and improvements, the Willys Quad became the MA, and later the MB. But the Army, and the world, came to know it as the Jeep®.

Some claimed that the name came from the slurring of the letters “GP,” the military abbreviation for “General Purpose.” Others say the vehicle was named for a popular character named “Eugene the Jeep” in the Popeye cartoon strip. Whatever its origin, the name entered into the American lexicon and, for awhile, served almost as a generic title for off-road vehicles, while the Jeep itself became an icon of the war.

The Willys MA featured a gearshift on the steering column, low side body cutouts, two circular instrument clusters on the dashboard, and a hand brake on the left side. Willys struggled to reduce the weight to the new Army specification of 2,160 lbs. Items removed in order for the MA to reach that goal were reinstalled on the next-generation MB resulting in a final weight of approximately just 400 lbs. above the specifications.

Willys-Overland would build more than 368,000 vehicles, and Ford, under license, some 277,000, for the U.S. Army. The rugged, reliable olive-drab vehicle would forever be known for helping win a world war.

Willys trademarked the “Jeep” name after the war and planned to turn the vehicle into an off-road utility vehicle for the farm – the civilian Universal Jeep. One of Willys’ slogans at the time was “The Sun Never Sets on the Mighty Jeep,” and the company set about making sure the world recognized Willys as the creator of the vehicle.

Source: Jeep

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Source: http://www.youtube.com/watch?v=AOMVCpiKAHI&feature=player_embedded#