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Engine profile

1956 Chevrolet Corvette 265 V8

Chevrolet small-block V8 · 265 cubic inches · Chevrolet Motor Division

Restored twin-four-barrel 265 engine bay illustrating the dual Carter induction, air cleaners, finned covers, and engine-compartment layout; car-specific factory installation is not inferred from the photograph. 1956 Chevrolet Corvette

Engine Summary

Manufacturer
Chevrolet Motor Division
Family
Chevrolet small-block V8
Displacement
265 cubic inches

Also Known As

1956 Corvette 265265 Turbo-Fire V8RPO 469 dual-quad 265RPO 449 high-cam 265

Identification reference

Engine Details

Source-backed component numbers, codes, stampings, and application notes.

Engine block and assembly suffixes

Value
3720991 block; FK or GV for 210 hp, FG or GR for 225 hp, and GU for the high-cam manual configuration
Application
Powerglide and manual applications must agree with the suffix and car history
Type
block / casting number

Sources: 1956 Corvette Identification Numbers

Chevrolet optional-cam valve timing

Value
Intake opens 35 degrees BTDC and closes 72 degrees ABDC; exhaust opens 76 degrees BBDC and closes 31 degrees ATDC
Application
1956 Corvette optional camshaft with conventional transmission; correlate the engine to RPO 449, GU suffix, induction, component dates, and records
Type
camshaft / specification

Sources: 1956 Chevrolet Corvette Vehicle Information Kit

Cylinder-head references

Value
3725306 for documented 210/225 applications and 3731762 for documented 225/240 applications
Application
Select by claimed output path, exhaust-bolt pattern, casting date, and assembly history
Type
cylinder head / casting number

Sources: 1956 Corvette Identification Numbers

Cars Using This Engine

1 linked car page.

Source Trail