Oakville Newspapers

Oakville Beaver, 15 Dec 1993, p. 23

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The pursuit of light weight led to the development of the RX-7's space-monocoque chassis. The design combines space-frame strength and light weight with the True to its sports car intent, the 1994 RX-7 is offered with only one engine, the latest version of Mazda's l3B two-rotor engine with Sequential Twin Turbochargers (STT). By adopting the SST system, Mazda was able to eliminate virtu- ally all of the lag found in a conven- tional turbo system, while at the same time providing ample torque across a broad range of engine speeds. The result is an engine that is stronger and more responsive. The RX-7's engine develops 255 horsepower at 6500 rpm and 217 ft. lbs of torque at 5000 rpm. At high speed. both turbochargers operate to deliver maximum perfor- New technology found in the S4 Supra Turbo engine are synthetic resin coated pistons for reduced fric- tion, stainless steel cylindre head gasket for greater durability at high boost pressures, serpentine timing belt, and dual exhaust manifolds per- mining higher exhaust temperatures and better performance. The S4 Supra is the first Toyota product to use a 6-speed manual overdrive transmission. The Genag 6-speed provides not only tall gear- ing for high speeds but closer ratios for responsive acceleration. And at a time when other manufac- turers are making sports cars larger. heavier and complex, Mazda has made the RX-7 smaller and lighter, yet more powerful. At medium engine speed, when exhaust pressure reaches a pre-set level. a second larger turbocharger comes up to idle speed in order to, smooth the transition from single to, twin turbo operation. (Continued from last page) camshafts (DOHC) and 4 valves per cylinder) are shared with the previ- ous model Supra Turbo. Powered by a rotary engine, the Mazda RX-7 has always been unique within the sports car field. The most notable improvement on the Turbo engine is a twin tur- bocharger setup boosting horsepower from 232 to 320 at 5,600 rpm. Engine torque has also jumped from 254 to 315 pound/feet at 4,000 rpm. A greater mark of this engine's flexi, bility can be seen by its big-block V8-type torque curve which pro- duces 285 pound feet of torque between I,800 and 5,800 rpm. The two-way sequential turbos operate in three distinct phases to deliver ultimate performance. At low engine speeds, a low-iner- tia single turbocharger operates, using less exhaust energy while improving torque and engine response. Mazda RX-7 - pure sports car performance Toyota Supra Turbo is super De 199 ON EVERY NEW 93 MAZDA IN STOCK! 71 323 Lift Back i71 Protegé ZIMXG Mystere Mx3 Precidia MPT brake system (ABS) standard on all models. The front brakes use four- piston callipers similar in design to The RX-7 features large (295 mm/l L6 inch) four-wheel ventilat- ed disc brakes, with an anti-lock ease of manufacture found in typi- cal unit-body construction. To take full advantage of this highly rigid body, the RX-7 uses a double wishbone suspension, both front and near. To save weight, the suspension arms are made from high-strength aluminum alloy and the anti-roll bars are tubular, rather than solid. gtasoi'f éttttmgs {tom WE PAINT YOUR CAR TOWNE those used on race cars. Steering is by engine-speed sensitive power- assisted rack-and-pinion. For excep- tional cornering ability the RX-7 is Med with wide 225/50VR-16 tires mounted on squeeze cast aluminum wheels. The RX-7 rides on a compact 2425 mm (95.5 inch) wheelbase. and both the front and rear tracks measure I460 mm (57.5 inches), giving the car a wide, aggressive stance. Overall dimensions are 4280 mm (168.5 inches) in length, 1750 mm (68.9 inches) wide, and 1230 mm (48.4 inches) high. heemle, 216 71 929 E 21 RX-7 526 C ronos 129 Serenia THE OAKVILLE BEAVER IE iM 40R V6, auto O/D, am crUIse, p wmdows 8. locks, AM/FM stereo cass dnv side airbag, bal of GM warranty $1 Sttkk#)(4404 A do 36.000 kms Stock X438 40R . W, 3AL, auto tyo, air, p. windows ' locks. air adj. seats steering whee! controls. orig. -., “k k-cd On Now At Your And It's Leaders There's There's Value And... aff-l-?" Only Only Sale Jeep Jeep One 4x4 One SAM/FM r, s16,995 herokee " $620, I 'okee Sport (26E Package) based on MSRP wuth no charge an condmon 620. registration and taxes. "Based on 36 month Gold Key lease of Oral utal lease obligation $18,464 All taxes, Incense. Insurance, freight of $62( (sler Credit Canada Ltd. 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