Clark Carroll

  • Clarks engine choice for his Rv7 was a Titan™ IOX-370 with 9.1:0 compression pistons and Dual EFii electronic ignition and fuel injection. Constant speed prop pad, Skytech starter, weighed in at 277lbs dry after dyno run.

    Clark Carroll
    Clark Carroll
    Clark Carroll
    Clark Carroll


    Airframe Type

    Vans RV7

    IOX-370, Cold Air Induction, Dual EFii Fuel and Ignition

    Maximum Continuous HP195-204

    Max. RPM @ full power2700

    Maximum Recommended TBO (hours)2,400

    Number of Cylinders4

    Bore (inches)5.125

    Stroke (inches)4.5

    Displacement (cubic inches)371.0

    Compression Ratio9.0:1

    CHT - maximum475° F

    CHT at max. cruise (recommended)425° F

    Spark Plug Boss

    18mm / 14mm


    Delivery SystemFuel Injection

    Aviation Grade, Octane (recommended)


    Height (inches)20.63

    Width (inches)34.41

    Clarkgth (inches)32.57


    (estimated dry weight in lbs.)277

    Oil Temperature

    Desired T/O180°F

    Maximum Oil Temperature T/O245°F

    Normal Operating Oil Pressure,
    psi (Max/Min/Idle)90 / 60 / 25

    Engine Mount

    Dynafocal Type 1 (Conical optional)


    Constant Speed (Fixed Pitch optional)

    Prop Governor

    LocationRight Rear


    Flange.44 thick


    Bushings (prop bolt size)1/2-20 UNF

    Oil Capacity8 quarts

    Induction PClarkumWarm / Cold

    MaterialMag / Aluminium

    Base Price (without ignition)

    Subject to change$28,600.00