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Hank's 2007 HEMI-Powered, Supercharged Jeep Wrangler
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Hank's 2007 Jeep Wrangler! HEMI-powered and Supercharged!

2007 HEMI-powered Jeep Wrangler

WAIT! Did you see that? Does that say HEMI above? The Jeep Wrangler has always shipped with a 6-cylinder engine as the biggest available. This one is something special -- HEMI V8 special. Yes, it is a full HEMI swap with a 392 cu in stroker, making this a completely bad-ass rock climber.

But the uniqueness barely even starts there. This one has a Magnuson 6 psi supercharger kit on top! So there is even more power to use. And there is where our story begins.

Sorry to say, Arrington did not do the initial HEMI swap, but we did provide the engine. We sell crate engines to Jeep swappers all the time and this was one of the first ones. And we didn't do the original supercharger install -- but we have installed many of them in Jeeps, HEMI or not. This Jeep was an original pioneer in the HEMI world in more ways than one.

So why post it as an Arrington build now? We got it back because this hi-power HEMI setup kept blowing through the Wrangler's 545 transmission. The over-500 crank HP with the 37" tires was just too much for it, and it trashed the replacement transmission, too! So we set this Jeep up with our NAG1 upgrade for the older truck and Jeep transmissions. Our NAG1, the same model used in the Challenger SRT can handle much more, and in our specialty editions handle up to 1000HP. The trick is figuring out all of the harness, fitting, bell housing, and mounting modifications to make it work. We have that down, and it is rare to find anyone else that does it.

Now this Wrangler, with unheard-of power, is purring down the road with the expectation that the transmission will now outlive the engine.

Underhood Shot!
Dyno graph!
Real Dyno Results

This 2007 Jeep Wrangler features the following upgrades: