First Generation   Second Generation
  4-Cylinder 4-Cyl. Turbo V-6   4-Cylinder V-6
  Engine Code   99C 99L 99U   99A 99B
  Displacement (Liters)   2.2 liter 2.2 liter 3.0 liter   2.0 liter 2.5 liter
  Displacement (CID)   133 CID 133 CID 182 CID   122 CID 152 CID
  Displacement (CC)   2189cc 2189cc 2971cc   1991cc 2496cc
  Manufacturer   Mazda Mazda Ford   Mazda Mazda
  Engine Type   OHC OHC OHV   DOHC DOHC
  Valves/Per Cylinder   12/3 12/3 12/2   16/4 24/4
  Aspiration   Normal Turbocharged Normal   Normal Normal
  Turbocharger Manufacturer   N/A IHI N/A   N/A N/A
  Turbocharger Pressure   N/A 7.3psi 1 N/A   N/A N/A
  Compression Ratio   8.6:1 7.8:1 9.3:1   9.0:1 9.2:1
  Bore X Stroke   3.39 x 3.70 3.39 x 3.70 3.50 x 3.14   3.27 x 3.62 3.33 x 2.92
  Engine Control   MECS MECS EEC-IV   MECS MECS
  Firing Order   1-3-4-2 1-3-4-2 1-4-2-5-3-6   1-3-4-2 1-2-3-4-5-6
  Engine Block Material   Cast Iron Cast Iron Cast Iron   Cast Iron Aluminum
  Engine Weight   458 lbs. 2 500 lbs. 3 409.4 lbs.   390.2 lbs. 474.0 lbs.
  Cylinder Head Material   Aluminum Aluminum Cast Iron   Aluminum Aluminum
  Intake Manifold Material   Aluminum Aluminum Aluminum   Aluminum Aluminum
  Intake Manifold Weight   8.2 lbs. 8.2 lbs. 9.2 lbs.   N/A 13.2 lbs.
  Exhaust Manifold Material   Cast Iron Cast Iron Cast Iron   Stainless Steel Cast Iron
  Exhaust Manifold Weight   15.9 lbs. 8.6 lbs. 6.8/7.4 lbs.   N/A 8.8 lbs.
  Connecting Rod Material   Forged Steel Forged Steel Forged Steel   Carbon Steel Carbon Steel
  Crankshaft Material   Cast Iron Cast Iron NG Cast Iron 4   NG Cast Iron 4 Carbon Steel
  Idle Speed   750±25 750±25 N/A   700±50 650±50
  Ignition Timing   6º±1º 9º±1º 10º   10º±1º5 10º±1º
  Oil Pressure @ 3000rpm   43-57 psi 43-57 psi 40-60 psi   57-71 psi 49-71 psi
FUEL SYSTEM
  Fuel System Type   EFI EFI EFI   EPFI EPFI
  Fuel System Manufacturer   Mazda Mazda Ford   Mitsubishi Mitsubishi
  Point Of Injection   Intake Port Intake Port Intake Port   Intake Port Intake Port
  Fuel Injector Flow Rate   220 cc/min 330 cc/min 140 cc/min  
  Fuel Pressure   36.3 psi 36.3 psi 39.0 psi   41.0 psi 41.0 psi
  Fuel Pump Type   Electric Electric Electric   Electric Electric
  Fuel Pump Flow Rate   80 lph 80 lph 80 lph   60 lph 60 lph
  Fuel Octane   87 91+ 87   87 91+
  Fuel Tank Capacity   15.1 gal. 15.1 gal. 15.1 gal.   15.5 gal. 15.5 gal.
  Fuel Tank Material   Steel Steel Steel   Plastic Plastic
  Fuel Tank Weight   26.5 lbs. 26.5 lbs. 26.5 lbs.   20.7 lbs. 20.7 lbs.
ELECTRICAL SYSTEM
  Electrical System Voltage   12 volt 12 volt 12 volt   12 volt 12 volt
  Battery Cold Crank   505 amps 505 amps 540 amps   582 amps 582 amps
  Battery Reserve Capacity   86 min 86 min 100 min   100 min 100 min
  Amps/Hrs.   56 56 58   58 58
  Alternator Manufacturer   Mitsubishi Mitsubishi Mitsubishi   Mitsubishi Mitsubishi
  Alternator Volts/Amps   12/70 6 12/70 6 12/90   12/80 12/90
COOLING SYSTEM
  Water Pump Flow Rate   6.6 gpm 6.6 gpm 10.0 gpm   6.6 gpm 6.6 gpm
  Thermostat Open   187.7°F 187.7°F 197°F   179.6°F 179.6°F
  Radiator Type   Vertical Flow Vertical Flow Vertical Flow   Cross Flow Cross Flow
  Radiator Material   Aluminum Aluminum Aluminum   Aluminum Aluminum

1) 9.3psi @ 3000rpm overboost
2) 436 lbs. for engines with automatic transaxles
3) 478 lbs. for engines with automatic transaxles
4) Nodular Graphite Cast Iron Alloy
5) 12º±1º for 1993 with automatic transaxle
6) 70amp for Manual Transaxle, 80amp for Automatic Transaxle


©2000-2005 Performance Probe, Inc. All rights reserved.