TCDS TC 227

AVCO CORPORATION, LYCOMING DIVISION MODELS: Avco Lycoming O-350, 0-350-A T.C. NUMBER: T.C. 227 Model Lycoming O-350, -A Type 6HOA Rating: Maximum continuous, hp, rpm, S.L. press. alt. 150-2500-S.L. Take-off, hp, rpm, at full throttle 150-2500 Fuel (minimum octane aviation gasoline) 73 Bore and stroke, in. 4.375 to 3.875 Displacement, cu. in. 350 Compression ratio 6.25: 1 Weight (dry), lbs. 341, 347 Propeller shaft, SAE No. 20 Carburetion Marvel MA-3 carburetor with 1-5/8 in. venturi Ignition, dual Scintilla SF6L-8, or Edison-Splitdorf Type RMA with impulse coupling Ignition timing, deg. BTC 25 Oil sump capacity, quarts 12 Certification basis Type Certificate No. 227 (Expired 5/11/45) NOTE 1. Maximum permissible cylinder head, barrel and oil inlet temperatures, 545 degrees F., 310 degrees F., and 230 degrees F., respectively. NOTE 2. Model O-350-A, essentially similar to model O-350, incorporates a modified accessories case which includes generator and starter drives. NOTE 3. The following accessories are eligible for use on the specified engine models at the indicated additional weights: Optional Accessories Weight (lbs.) (Drives Engine Models included except where noted) O-350 O-350-A Generator: Eclipse Type 307, Model 8 16 Yes Delco-Remy Model 1106704 (not including drive weight) 10 Yes Starter: Eclipse Type 397, Model 54 18 Yes Delco-Remy starter Model 1109652 (not including drive weight) 16 Yes Fuel Pump: Pesco Model 227-C 2 Yes A-C Model GP-8897, Type AH 3 Yes Vacuum Pump: Pesco Type B-2A, Model 194 4 Yes Yes Radio Shielding 3 Yes Yes