Chevrolet didn't know this at the time but,with the introduction of the Chevy V-8 in 1955 they were creating one of the most popular engines ever built. There were of 90 million Small Block Chevy's built and installed for various applications. From trucks to 4 door sedans,muscle cars,European Sports Cars and a number of marine boat manufacturers use the Chevrolet engine as their power plants. The Small Block Chevrolet is the most widely used engine in history.The small block very quickly proved to be very reliable, powerful and durable. Power to weight possibilities were fantastic for both the Big Block Chevy and the Small Block Chevy. 1958 marked the introduction of the 348 with the "W" shaped heads,marking the begining of the Big Block for Chevrolet. A few high performance goodies like the triple deuce carburetor set up were added for the guy that wanted to go even faster. 1961 came along and so did the legendary "409". Many drag races later the engine earned that legendary status as one of the winningest performance engines of that era. Not content to sit around the engineers at Chevrolet produced the "Mark IV",with it's introduction to the public in 1965 offering up to 425 horsepower. The same engine platform brought about the 427 later that same year and in 1970 the cubic inches were a whopping 454 with the LS6 designation offering 450 Horsepower and 500 FT/LBS of torque. Now,there was a Chevrolet V-8 built in 1917 however it is in no way related to the small block built for release in 1955.
Now,to help with identification there are abbreviations that will be used just so that further information is available for specific applications from the factory. While some abbreviations are obvious,others may not be. Bare in mind that the best way to identify what you have or what your looking at is the cross reference numbers and dates. There were 327 Chevy engines installed in 71-72 Pontiacs and Chevy passenger cars simply because the inventory was there.Some components used abbreviated date codes and casting numbers as well. In some applications there were more than one number used as well so it pays to be as informed as possible when using numbers in this listing.
Considering that it would be impossible to to determine exact parts used on every application,the vehicles built in Detroit and other GM plants around the world were not built with the collector or enthusiast in mind so they didn't come off the line with collector plates installed on them.
Small Block Casting Numbers
Big Block Casting Numbers
Small Block Cylinder Head Casting Numbers
Big Block Cylinder Head Casting Numbers
Crankshaft Casting Numbers
Exhaust manifold Casting Numbers
Intake Manifold Casting Numbers
Carter Carburetor Numbers
Holley Carburetor Numbers
Rochester Carburetor Numbers
Now,to help with identification there are abbreviations that will be used just so that further information is available for specific applications from the factory. While some abbreviations are obvious,others may not be. Bare in mind that the best way to identify what you have or what your looking at is the cross reference numbers and dates. There were 327 Chevy engines installed in 71-72 Pontiacs and Chevy passenger cars simply because the inventory was there.Some components used abbreviated date codes and casting numbers as well. In some applications there were more than one number used as well so it pays to be as informed as possible when using numbers in this listing.
Considering that it would be impossible to to determine exact parts used on every application,the vehicles built in Detroit and other GM plants around the world were not built with the collector or enthusiast in mind so they didn't come off the line with collector plates installed on them.
- AC Air Conditioning
- ACCES Accessories
- AFB The AFB design of the Carter Carburetor
- A.I.R. Air Injector Reactor
- Air Cond Air Conditioning
- ALT Hi Altitude
- Alum Aluminum
- AT Automatic Transmission
- Auto Automatic
- 2 BC 2 Barrel Carburetor
- 4 BC 4 Barrel Carburetor
- BOSS Reinforced area to support accesory bracket or bolt hole
- Calif California Emissions
- Carb Carburetor
- C.B.C. Chevrolet Buick Combination
- COPO Central Office Production Order
- EGR Exhaust Gas Recirculation
- FEDERAL Federal Emissions
- F.I. Fuel Injection
- GVW Gross Vehicle Weight
- H.B.L. Heated Back Light (rear window)
- H.D. Heavy Duty
- Hi Perf High Performance
- HL Cam
- H.O. High Output
- HP High Performance
- 4-Jet Rochester "Four -Jet" Four barrel carburetor
- L.D. Light Duty
- LT Light Truck
- LT-1 RPO number,A Corvette designation
- MAN Manual
- PASS Passenger car,full sized
- P.G. Powerglide Transmission
- Q-Jet Quadra Jet Carburetor
- R.P.O. Regular Production Order
- Single PNT Single Point Distributor
- SP Hi Perf Special High Performance
- STD IGN Standard Ignition
- STD Perf Standard Performance
- S/W Station Wagon
- T.B.I. Throttle Body Ignition
- T.G. Turbo Glide Transmission
- THM Turbo Hydra Matic Transmission
- TRANS IGN Transistor Ignition
- VAC ADV Vacuum Advance
- W/ With
- WCFB Carter Four Barrel Carburetor WCFB designation
- W/O Without
- ZL-1 All Aluminum 427 Camaro engine
- 2x4 two four barrel Carburetors
- 3x2 Three Two Barrel Carburetors.
Small Block Casting Numbers
Big Block Casting Numbers
Small Block Cylinder Head Casting Numbers
Big Block Cylinder Head Casting Numbers
Crankshaft Casting Numbers
Exhaust manifold Casting Numbers
Intake Manifold Casting Numbers
Carter Carburetor Numbers
Holley Carburetor Numbers
Rochester Carburetor Numbers
No comments:
Post a Comment