A discreet bulge on the bonnet is the only external giveaway that RGMotorsport's upgraded Wrangler has close to double the power of the standard Jeep. Picture: RGMotorsport

Johannesburg - Imagine a 3.6-litre V6 Jeep Wrangler with more power than a Grand Cherokee SRT8. Well, imagine no more, because local tuner RGMotorsport has tweaked its Vortech supercharger kit for the Wrangler to deliver a tyre-shredding 365kW and 551Nm.

That's close to double the standard rating of 209kW and 347Nm but, more importantly, the supercharged Wrangler churns out more torque at 2000rpm than the as-issued engine has at peak, making more driveable at low engine speeds over rough terrain.

Tuner Steven Green explained: "We took a conservative approach when we first supercharged the Jeep, but now that we have access to a four-wheel-drive dynamometer - and positive feedback from customers - we have a lot more confidence in the efficiency of the Vortech supercharger and our water-to-air intercooler to keep intake temperature within safe limits."

Upping the ante

Confidence enough, in fact, to up the ante on the Unichip Q control unit, which writes a three-dimensional 'map' all the way from idle to the rev-limiter, by an additional 49kW and 34Nm - without moving the rev-limiter.

Green reckons the upgraded Vortech Wrangler will launch to 100km/h in about eight seconds at Highveld altitude and cover a quarter-mile in the mid 15-second bracket.

A Vortech supercharger installation for your Wrangler will cost you R133 000, and comes with a six-month or 20 000km warranty.


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