Eric English
December 8, 2009

Some people will be inclined to call Bill Riggs a dreamer. On the surface, they'd be right, as Bill's killer SN-95 has yet to achieve the performance goals he set when initiating the build two years ago. However we'd offer up that there's a big difference between a guy who simply talks smack about what he's "going to do," and a guy who is sorting out the inevitable teething issues of what he has already done-replete with 1,000hp potential! From that point of view, we'll jump on the bandwagon and call Bill a big dreamer, and in this instance, that's no slam.

Right up front, we should mention that Bill would prefer to have the hard numbers-no matter the results-rather than share his lofty, yet unattained goals in such a public forum. For that, we give him plenty of credit. In the end, however, the opportunity to shoot a car while fresh and available is an overriding principle in the magazine biz. The desire to fill our pages with quality images of quality cars-something decidedly different in this case-usually takes precedent over waiting for the numbers to come in. Experience tells us that it can sometimes take months, if not years, for such tangible results to arrive.

So what we have here is a loaded-for-bear '94 that has yet to prove it's metal, but clearly has the goods to deliver something impressive. Just as we went to press, Riggs' car had been given a low-boost/pump-gas tune (sans methanol injection) that belted out 724 hp and 649 lb-ft of torque on the Dynojet at Portland Speed Industries in Hillsboro, Oregon. With more break-in miles, a big-boost/race-fuel/methanol-injected tune figures to raise the numbers considerably, and yet the big dyno number isn't one of Riggs' performance goals-rather a measure that he's on the right track. We can see that he is.

The path to this over-the-top effort all started in 1999, when Bill set out to buy a modular Cobra to enjoy on the street. It had been a few years since he'd been immersed in performance cars, but extensive drag racing in the early '60s, co-ownership of a machine shop in the '70s, and owning a '70 Boss 429 in the '80s shows a pattern that would eventually resurface.

As go so many stories, the '98 Cobra Bill eventually bought didn't remain stock for long, and he quickly became hooked on "late-model" performance. By the time a fluke fire destroyed a good portion of the slithering steed, it sported all kinds of go-fast goodies, including a Kenne Bell supercharger. The fire was a setback, of course, yet it provided an opportunity to start from scratch.

Bill decided he wanted to build an extreme street car this time around, something capable of supercar performance while maintaining good driveability. "Trailer queens are not my bag," says Bill. "Unless the car breaks, I want to be driving it whenever I can." For the ambitious new endeavor, he turned to Performance Systems NW in Portland, Oregon, where Jon Dewar was tasked with the majority of the build.

Due to the fire damage, they decided to acquire another SN-95 body to start with a clean slate. An unmodified '94 became the basis for the effort, and it was stripped to the bone alongside the damaged Cobra. Truth be told, not much was reused from the later chassis beyond some trim and chassis components. Rather, the majority of the '94 was assembled from new parts.

Dewar and company prepared the unibody for the rigors of extreme performance, installing an eight-point rollbar, subframe connectors, and mini-tubbing the rear to make way for steam-roller rolling stock. The exterior was turned over to Autowerks in Bend, Oregon, for custom metalwork in the rocker and rear quarter-panels per Bill's specification. Once finished, Steve Dykman at Brady's Auto Body was called on to lay down the Gunmetal Gray metallic in a Dupont two-stage, along with pearlescent FR500 graphics.