1993 Mazda RX-7

Raced at Pocono, Watkins Glen, Summit Point

My first love, the Mazda RX-7. I first bought a 1986 non turbo, my first rotary. The car handled great, but needed more top end. A few years later, after looking for a Turbo 2, I found a FD with no motor or trans, or title in MD. I purchased the FD, and a “good running” LT1 and T56 to swap in.

After finding out the LT1 had low compression on a couple cylinders, I found an LS1 long block. I bought it, and an LS ready T56 trans. I also purchased the Granny’s Speed Shop swap kit. After gather all the parts for the swap, I found someone to help me get it all running. Greg at PEZ came out to PA, and helped me get the drivetrain installed, and his modified harness working.

I removed and reconditioned the interior, and had the front clip repainted with the custom hood. After some tweaks and fuel issues, I hit the track, and boy did it run fast.

 

  • Adaptive Cruise Control
  • Airbags
  • Air Conditioning
  • Alarm System
  • Automatic Climate Control
  • Floor Mats
  • Manual Transmission
  • Navigation Module
  • Power Steering
  • Reversing Camera
  • Voice Control System
Engine
Layout / number of cylinders 8
Displacement 5.7L
Engine Layout Front-engine
Horespower 420 hp
@ rpm 6,750 rpm
Torque 460 lb.-ft.
Compression ratio 10.5 : 1
Performance
Top Track Speed 173 mph
0 - 60 mph 4.8 s
Transmission
Manual Gearbox 6-speed with self-adjusting clutch
Fuel consumption
City (estimate) 20
Highway (estimate) 28
Body
Length 172.2 in.
Width 70.9 in.
Height 50.4 in.
Wheelbase 97.4 in.
Maximum payload 739 lbs
Curb weight 2910 lbs
Capacities
Luggage compartment volume 5.3 cu. ft. (front) / 4.6 cu. ft. (rear)
Fuel Tank Capacity 13.9 gal.

The third generation RX-7, FD (chassis code FD3S for Japan and JM1FD for the North American VIN), featured an updated body design. The 13B-REW was the first-ever mass-produced sequential twin-turbocharger system to export from Japan,[citation needed] boosting power to 255 PS (188 kW; 252 hp) in 1993 and finally 280 PS (206 kW; 276 hp) by the time production ended in Japan in 2002.

In Japan, sales were affected by this series' non-compliance with Japanese dimension regulations and Japanese buyers paid annual taxes for the car's non-compliant width. As the RX-7 was now considered an upper-level luxury sportscar due to the increased width dimensions, Mazda also offered two smaller sporting cars, the Eunos Roadster, and the Eunos Presso hatchback.

The sequential twin turbocharged system, introduced on this series in 1992, was extremely complex and was developed with the aid of Hitachi and previously used on the exclusive-to-Japan Cosmo series (1990-1996 JC-series).[citation needed] The system used two turbochargers, one to provide boost at low RPM,10 psi (0.7 bar) of boost from 1800 rpm. The second turbocharger activated in the upper half of the rpm range, during full throttle acceleration — at 4000 rpm to maintain 10 psi (0.7 bar) until redline.[citation needed] The changeover process occurred at 4500 rpm, with a momentary dip in pressure to 8 psi (0.6 bar), and provided semi-linear acceleration and a wide torque curve the throughout the entire rev range under "normal operation"

Car Information:

Year: 1993
Make: Mazda
Model: RX-7
Body Style: Coupe
Mileage: N/A
Transmission: 6 Spd Manual T56
Condition: Track Ready
Drivetrain: RWD
Engine: LS6 V8 420hp
Exterior Color: Victory Red
Interior Color: Tan

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