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    12V Engine Specs

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    Cowboy

    12 Valve Engine Specs

     

    Horse Power (SAE net)
    215 bhp @ 2600 RPM - 1996-98 49 State Manual Transmissions
    180 bhp @ 2500 RPM - 1996-98 All Auto Transmissions
    180 bhp @ 2500 RPM - 1996-98 CA Manual Transmissions
    175 bhp @ 2500 RPM -  1994-95 Manual Transmissions
    160 bhp @ 2500 RPM - 1994-95 Auto Transmissions

     

    Torque (SAE net)
    440 lb-ft @ 1600 RPM - 1996-98 49 State Manual Transmissions
    420 lb-ft @ 1500 RPM - 1996-98 All Auto Transmissions
    420 lb-ft @ 1500 RPM - 1996-98 CA Manual Transmissions
    420 lb-ft @ 1500 RPM -  1994-95 Manual Transmissions
    400 lb-ft @ 1500 RPM - 1994-95 Auto Transmissions

     

     

    Engine: 5.9-Liter, OHV, Diesel Six-Cylinder 
    Type & Description: Six cylinder, in line, liquid cooled, turbocharged, intercooled 
    Displacement: 359 cu. in. (5.9 L) 
    Bore x Stroke: 4.02 x 4.72 (102.1 x 119.9) 
    Construction: Cast iron block & head
    Compression 17.5:1
    Oil Flow Rate: 20 GPM 
    Coolant Capacity: 24 qt. (22.7 L) 
    Emission Controls: Engine modifications, oxidation catalyst (after 1/1/94)

    Oil Capacity: 

    1994: 10 qt. (9.5 L) with filter 
    11 quarts using Cummins p/n 3928740 or Dodge p/n 4796874 dipstick 
    11 qts by marking the dipstick 1 3/16" above the "ADD" mark 

    1995-98: 11 qt. (10.4 L) with filter

     

    Valve System: 

    OHV, 12 valves, solid sliding tappet lifter/followers 
    Valve Adjustment (engine cold) 
    Intake = 0.010" Exhaust = 0.020" 
    Adjustment interval - 24,000 miles 

     

    Fuel System:

    Fuel Injection: P7100 High-pressure direct injection, mechanical 
    Fuel Pressure: 18-24 psi at idle, 28-36 at 2000 rpm with no load.
    Max Pressure across Filter: 5 psi
    Max fuel return line restriction: 20.4" Hg
    Max Inlet Restriction 4" Hg
    Fuel Requirement: Diesel #1 or #2 

    Alternator:
    94-95 - 120 Amp
    96-98 - 136 Amp
     
    Battery: Maintenance-free, dual 750 CCA 

     

     

    Valve Specs

    seat angle:(degree) = 30
    face angle:(degree) = 45
    spring test pressure:(lbs.@in.) = 81@1.64
    spring installed height:(in.) = 2.36

    stem-to-guide clearance:(in)
    intake = 0.002
    exhaust = 0.006

    stem diameter:(in.)
    intake = 0.313 - 0.314
    exhaust = 0.313 - 0.314

     

    Turbocharger specifications:

     
    TurboCharger Model:
    1994 - Holset WH1C, 12 sq sm Turbine Housing, 8 Blade Compressor Wheel.
    1995-1998 - Holset HX35W 12 sq cm Turbine Housing, 8 Blade Compressor Wheel.  
     
    Turbo Boost Rating (Engine in stock form)
    1994-95: 15-18 psi
    1996-98 Auto: 15-18 psi
    1996-98 Manual: 21-23 psi 
     
    Max Exhaust Gas Temperature (EGT):
     
    Temperature Probe in Manifold: 1250 Degrees F
    Temperature Probe post Turbo: 950 Degrees F
     
    If you have any further questions, please feel welcome to ask them on the Mopar1973Man Forum.
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