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2007 Radical SR3

Posted by WindingRoad about 7 months, 1 week ago

This 2007 Radical SR3 is a purpose-built race car powered by a Suzuki Hayabusa-based 1,300cc inline-four paired with a 6-speed sequential manual transmission. The car was reportedly sold to its original owner by Barry Smith of Radical East USA equipped with options including V8 brakes, full lights, a carbon-fiber wing, dive planes, a hot weather kit, heavy-duty axles, and 6-point harnesses. The current owner acquired the car last summer and has tracked it at Spring Mountain Motorsports Ranch and Thunderhill Raceway Park. An engine service and fluid change were performed by Stephen Cameron Racing in September 2018. This Radical is offered by the selling dealer on behalf of its current owner with a spares package and an Oregon bill of sale.

The car is finished in white with black aerodynamic elements and detailed up close in the photo gallery below. The seller notes that body repairs have likely been carried out to address damage from racing contact. Covered headlights and round taillights are joined by an LED light bar mounted to the roll hoop.

Polished multi-piece center-lock wheels are mounted with Michelin Pilot Sport GT S9L tires measuring 15″ in front and 16″ at the rear. An extra set of wheels with used Michelin rubber is included in the sale, as is an unused set of Hankook Ventus F200 tires. The car features V8-spec brakes with slotted rotors and adjustable front/rear bias.

Seating for two is provided by fixed-back bucket seats fitted with 6-point harnesses showing 2022 expiration dates. A Zero 2000 fire-suppression system is equipped. The detachable digital steering wheel with yellow shift paddles is shown in detail in accompanying photos, as is the carbon fiber dashboard. An hour meter between the seats shows 126.2.

The 1,300cc Suzuki Hayabusa K7 four was built by Radical Spring Mountain and is said to have been run approximately 45 hours on track. The engine drives the rear wheels through a 6-speed sequential manual transmission and a limited-slip differential.

The car was reportedly corner-balanced for a driver weighing 200 pounds, and the racing weight is approximately 1,200 pounds not including the driver.

The car was serviced in September 2018 at Stephen Cameron Racing of Sonoma, California with fluid changes for the engine, brakes, clutch, and gear drive unit. The throttle bodies were adjusted and the clutch master cylinder and starter gaskets were replaced.

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