CORVETTE BASIC ENGINE DATA POWER TEAMS 1953 Cu In Comp Gross Net Engine Displ Ratio Bore Stroke H P H P Carburetor Transmission Corvette 6 cyl 235 8 0 3 9 16 3 15 16 150 140 3Side Draft Powerglide 4200 RPM 4200 RPM Single Barrel 1954 1955 1st Series COTVBUB 6 cvl 235 3 9 16 3 15 16 150 140 3 Side Draft Powerglide 4200 RPM 4200 RPM Single Barrel 1955 2nd Series Corvette 6 cyl 235 3 3 4 3 155 140 38ide Draft Powerglide 4200 RPM 4000 RPM Single Barrel Corvette 8 cyl 265 3 3 4 3 195 180 4 BarreI Powerglide 5000 RPM 4800 RPM Corvette 8 cyl 265 3 3 4 3 195 180 4 Barrel 3 Speed 5000 RPM 4800 RPM i 1956 Corvette 8 cyl 265 9 25 3 3 4 3 210 180 4 Barrel 3 Speed 5200 RPM 4600 RPM Powerglide Corvette 8 cyl 265 9 25 3 3 4 3 225 196 Dual 3Speed 5200 RPM 4800 RPM 4 Barrel Powerglide I957 Corvette 8 cyl 283 3 7 8 3 220 190 4 Barrel Close Ratio 4800 RPM 4600 RPM Powerglide Corvette 8 cyl 283 9 5 3 7 8 3 245 215 Dual Close Ratio 5000 RPM 4800 RPM 4 Barrel Powerglide Corvette 8 cyl 283 3 7 8 3 250 225 Fuel Injection Close Ratio 5000 RPM 4800 RPM Powerglide Corvette 8 cyl 283 9 5 3 7 8 3 270 230 Dual Close Ratio 6000 RPM 6000 RPM 4 Barrel Corvette 8 cyl 283 10 5 3 7 8 3 283 240 Fuel Injection Close Ratio 6200 RPM 5600 RPM MAXIMUM performance engines have special performance type camshaft high speed valve systemand mechanical valve Iifters All other engines have hydraulic valve lifters t 1974 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET P A 3OB 14