BaT Auction: 1989 Mazda RX-7 Race Car
This 1989 Mazda RX-7 is a longtime racer equipped with a modified 1.3L twin-rotor engine, Hightower 4-speed racing transmission, full roll cage, and safety equipment. The car was previously campaigned in the SCCA Improved Touring S class and reportedly won multiple championships piloted by SpeedSource co-founders Sylvain Tremblay and David Haskell before being converted by Steve Eckerich to run in the E-Production category in 2009. A fluid replacement was recently carried out and the car is now offered on a Connecticut bill of sale with several sets of wheels and tires, a spare parts package, a logbook, and a current SCCA annual inspection.
The current paint and livery was applied approximately five years ago and shows a few minor chips and blemishes. A set of Mariah Motorsports flared fiberglass fenders has been fitted along with a fiberglass hood and detachable front splitter. The front and rear windows have been replaced with Lexan and the side glass has been removed. Hoosier tires and Panasport wheels make up the current rolling stock, and the seller says the car was recently weighted and aligned.
The video above shows a brief exterior walk-around and interior tour with the car at idle. Suspension consists of Eibach springs and AWR struts with remote reservoirs at the rear. Hawk brakes are fitted at each corner, with cooling ducts provided for the fronts.
The interior has been stripped and a welded multi-point safety cage extends through the cabin to the engine compartment. A Kirkey racing bucket is provided for the driver along with a 6-point Racequip harness and OMP quick-release steering wheel. The custom dashboard houses a complement of AutoMeter instruments and a Stack Clubman 10K tachometer with external shift light. A 10 lb. halon fire suppression system is controlled by a switch panel mounted just forward of the shift lever. Wiring provisions for a cool suit system are reportedly in place.
The rear section of the roll cage is highlighted in the above photo. A 15-gallon fuel cell is accessed through the hatch in the center of the load floor, and a new Odyssey battery is mounted in the passenger seat area. A wired transponder will also go with the car.
According to the seller, the fuel-injected 13B twin-rotor has been run approximately 20 hours since its last rebuild and benefits from a recent full fluid replacement. Engine management is through a Motec M4 ECU and the seller says the engine is prepped to run 87-octane fuel. A Hightower 4-speed dog box sends power rearward through a Quartermaster clutch and a limited-slip differential.
A competition-style aluminum radiator is present along with dual oil coolers.
A large spares package comes with the car as documented in the photo gallery. A partial list is included below:
- Two sets of Hoosier radial slicks mounted on Panasports
- One set of Hoosier rain tires mounted on Panasports
- Three sets of unmounted Hoosier radial slicks
- Two extra Panasport wheels
- One set of stock alloy wheels with transport/storage tires
- Two prepped transmissions with Miata gearsets
- Extra clutch and limited-slip gearset
- Engine and transmission mounts
- Brake pads
- Suspension components
- Starter motor
- Front splitter template
- Extra fluids and filters
Additional photos depicting the car’s previous configuration and restoration process are viewable in the gallery.
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