Cars by name
Trucks and Jeeps

Engines / Trans
Repairs / Fixes
Tests and Reviews

Trucks, Jeeps


Hemi V16 engines

Lockup torque converters

2019 Jeep Grand Cherokee

Jeep Hurricane: the awesome dual-Hemi concept car

Hurricane Hemi

Take the Hemi engine, shove it into a Jeep. Been there, done that. How about two Hemi engines? Okay, that’s new. Well, maybe not that new. In 2005, two Hemis were shoved into a custom body to create the Jeep Hurricane.

Jeep Hurricane crab steering control

Chrysler’s Design Director at the time, John Sgalia, called the Hurricane “our pride and joy.” He said the idea was planted after Dieter Zetsche said that Dodge had made jaws drop with the Tomahawk, and then Chrysler had made jaws drop with the ME-412; now, “it’s Jeep’s turn, you guys come up with something.”

Jeep Hurricane nameplate

The challenge was daunting, because whatever they did, “it still has to be an expression of Jeep — the ultimate Jeep.”

The idea of dual Hemi engines came from Eric Azutti, who also set up the basic design and architecture. The exterior styling is mainly functional; the use of carbon fiber and billet aluminum resulted in a light (okay, 3,850 pounds, but it has two Hemis), strong, and expensive body.

jeep hurricane

Rock-climbing is aided by crab-steer to go to the side, and a spin mode to get through mud or turn around. The Hurricane had twenty inches of suspension travel, using coilover shocks with remote reservoirs. Grand clearance was a hefty 14.3 inches, while approach and departure angles were a stunning 64.0° and 86.7°.

gauges

Controls for the various steering modes were designed to be as easy to understand as possible; and the interior, designed by Dan Zimmerman, is well instrumented, with a consistent look but enough difference between various displays to allow for rapid comprehension.

passenger front suspension

The entire vehicle was designed in ten months, with “not a whole lot that’s off the shelf.” Everything but an early plywood model was done electronically. There was no frame; it was a unibody design. An aluminum “spine” ran underneath to connect the underside, increasing stiffness and creating a skid plate system. The front and rear suspensions are both short/long arm designs.

more hemis

The Hurricane is loud, with both Hemis lightly muffled. Under hard acceleration, the front rises up and the rear squeezes down noticeably - but it moves with great speed. Acceleration is thrilling; and only a trained Chrysler driver operated the Hurricane when it was shown.

seats

Design chief Trevor Creed called the Jeep Hurricane “simply the most maneuverable, most capable and most powerful 4x4 ever built...it is the extreme example for Jeep.”

switchgear

Both engines delivered 335 horsepower and 370 lb-ft of torque, and both had the cylinder cutoff system, so it could in theory run on four, eight, twelve or, sixteen cylinders. The zero-to-sixty time was under five seconds. Power was delivered through a central transfer case and split axles, using a mechanical torque distribution system.

Jeep Hurricane - interior

Thanks to a turning radius of zero feet, enabled by four wheel steering, the Hurricane could be its own turntable at car shows. (There were actually two four-wheel-steering modes, one with the rear tire moving in the opposite direction of the front, and one to get all four wheels in the same direction — for crab steering.)

driver suspension

The numbers:

four wheel steering

road

hurricane concept sketch

split axle system

t-box system

studio interior photo

turning on a dime


venomConcept cars are often made so a car’s feel can be evaluated, problems can be foreseen, and reactions of the public can be judged. Some concepts test specific ideas, colors, controls, or materials — either subtle or out of proportion, to hide what’s being tested. Some are created to help designers think “out of the box.” The Challenger, Prowler, PT Cruiser, and Viper were all tested as production-based concepts dressed up to hide the production intent.



Chrysler makes ‘most wanted’ list

Can FCA compete in an EV future?

MSHS finals: Big grip and a big field

More Mopar Car
and Truck News