Airframe Type
ASTM Certified or kit versions
Performance
Maximum Continuous HP180
Max. RPM @ full power2.700, 180hp (5 minutes)
Maximum Recommended TBO (hours)2,400
Number of Cylinders4
Bore (inches)5.125
Stroke (inches)4.125
Displacement (cubic inches)340
Compression Ratio9.0:1
CHT - maximum500° F
CHT at max. cruise (recommended)425° F
Spark Plug Boss
14mm
Fuel
Delivery SystemMA4-SPA Carburetor
Aviation Grade, Octane (recommended)
93/100/100LL
Dimensions
Height (inches)20.63
Width (inches)32.27
Length (inches)32.57
Weight
(estimated dry weight in lbs.)243
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)
Propeller
Constant Speed (Fixed Pitch optional)
Prop Governor
LocationRight Rear
Crankshaft
Flange.38 or .44 thick
Stroke4.125
Bushings (prop bolt size)1/2-20 UNF
Oil Capacity8 quarts
Induction PlenumWarm / Cold
MaterialMag / Alum