1956 Chevrolet Engines
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The 265cid V8 engine was used for the entire 1956 and 1957 model years. The bypass breather tube went down the passenger side of the engine to the oil pan. The new block incorporated an oil filter boss on the driver side of the engine for a replicable oil filter. The casting number for this block is #3720991.
The engine, including the rocker arm covers are, Chevrolet Red with silver script on the racer arm covers.
Engine Specifications - 235 I6
| Bore | 3.560 |
| Stroke | 3.940 |
| Cubic inch displacement | 235 cid |
| Compression ratio | 8.0:1 |
| Horsepower | 140 @ 4200 |
| Torque | 210 lb-ft @ 2400 RPM |
Engine Specifications - 265
| Bore | 3.750 |
| Stroke | 3.000 |
| Cubic inch displacement | 265 cid |
| Compression ratio | 8.0:1 |
| Horsepower | 162 hp @ 4400 RPM - 2-bbl (manual) 170 hp @ 4400 RPM - 2-bbl (Powerglide) 205 hp @ 4600 RPM - 4-bbl 225 hp - 2x4-bbl 240 hp - 2x4-bbl w/hi-lift cam |
| Torque | 257 lb-ft @ 2200 RPM - 2-bbl (manual) 257 lb-ft @ 2400 RPM - 2-bbl (Powerglide) 268 lb-ft @ 3000 RPM - 4-bbl |
| CID | HP | Trans/Options | Suffix |
| 265 | 170 | Powerglide | F |
| 205 | Powerglide, 4-bbl carburetor | FB | |
| 162 | Powerglide, A.C. | FC | |
| 205 | Powerglide, 4-bbl carburetor, A.C. | FD | |
| 205 | Powerglide, 4-bbl carburetor | FH | |
| 162 | Manual | G | |
| 162 | Overdrive | GC | |
| 205 | Overdrive, 4-bbl carburetor | GE | |
| 162 | Manual, A.C. | GF | |
| 162 | H.D. clutch | GJ | |
| 162 | H.D. clutch, A.C. | GK | |
| 205 | 4-bbl carburetor | GL | |
| 205 | Overdrive, 4-bbl carburetor, A.C. | GM | |
| 162 | Overdrive, A.C. | GQ | |
| 225 | 2x4-bbl carburetors | GS | |
| 240 | 2x4-bbl carburetors, high-lift camshaft | GT |
A.C. - air conditioning
H.D. - heavy duty
The 265 is shown here with the 4-barrel carburetor and optional power
steering rated at 205hp.
RPO 449 with batwing air cleaner assembly.
