CORVAIR O-164 O-190

Direct Drive Corvair Engine Spec Sheet
Engine Model	O-164	O-190
Number of Cylinders	Six	Six
Cooling	Air	Air
Displacement	164 cubic inches (2,700cc)	190cid (3,100cc)
Bore	3.43 in. (87mm)	94mm
Stroke	2.94 in. (75mm)	75mm
Compression Ratio	9:1	9:1
Oil Capacity	4.5 - 7.0 quarts	4.5 - 7.0 quarts
Weight Wet, Ready to Fly with Electric Start	Approximately 220-225 lbs.	Approximately 212-217 lbs.
Length	Approx. 28 in.	Approx. 28 in.
Width	28.5 in.	28.5 in.
Performance
HP	100@3,150 rpm	120@3,200
HP (Continuous)	90@3,000 rpm	110@3,000
Torque	160 ft./lbs. @2,800 rpm	200 ft./lbs. @2,800
Fuel	93 Octane Auto Gas or 100 LL	93 Octane Auto Gas or 100 LL
Fuel Flow	5.6 GPH @ 75%	7.0 GPH @ 75%
Accessories
Oil Cooler		Stock Corvair-Block Mounted, Can Be Remoted
Ignition		Dual Ignition, Single Plugs
Generator		Alternator - 14 Amp std., Larger Available
Starter		Hand Prop or Electric Start; Electric Start adds 20 lbs.
Prop Flange		SAE #1
Prop Rotation		Left Hand, Right Hand Optional
Recommended Prop Diameter		Wood to 68"; Composite to 72"; Can Use Warp Drive Props
Induction		Carbureted
Fuel Pump		Mechanical, Stock Corvair
Note: Horsepower and Torque measured on dynamometer with air cleaner, full exhaust system and quiet muffler installed. Using a less restrictive exhaust system can exceed these numbers by 5%. Turbo boosting is available on either motor; 5 psi will increase output by 25% on both motors with a weight increase of approximately 20 lbs.