ENGINE IDENTIFICATION

The engine identification code consists of the engine assembly plant, the engine assembly date, and a 2 or 3 letter suffix indicating the cubic inch displacement, the horsepower rating, and generally, what type of transmission was to be installed with the engine. Manual transmissions required a bushing in the rear of the bellhousing where an automatic transmission did not. Many engine "accessories" such as the carburetor, distributor, and exhaust manifolds were not installed at the engine assembly plant but rather at the final assembly plant.

F = Flint, MI. assembly plant
0205 = February, 5
EC = 327/350 L79 Manual 3-/4-speed Special High Performance

Engine Assembly Plant - 1st letter

CodeAssembly Plant
*FFlint, Michigan
TTonawanda, New York
  
Assembly Month - 1st and 2nd numbers
NumberMonthNumberMonth
01January*02*February
03March04April
05May06June
07July08August
09September10October
11November12December

Assembly Day - 3rd and 4th numbers
01...31

Engine

Transmission

Notes

Code

Size-Carb

HP-RPO

  
AA194-1120Manual-3 
AC194-1120Manual-3Heavy Duty Clutch
AG194-1120Manual-3A.C.
AH194-1120Manual-3Heavy Duty Clutch/A.C.
AK194-1120Manual-3Taxi
AL194-1120Powerglide 
AN194-1120PowerglideTaxi
AR194-1120PowerglideA.C.
230 ↓    
CA230-1140-L26Manual-3 
CB230-1140-L26Manual-3A.C.
CC230-1140-L26Powerglide 
CD230-1140-L26PowerglideA.C.
283 ↓    
DA283-2195Manual-3 
DB283-2195Manual-4 
DE283-2195Powerglide 
DG283-4220-L77Manual-3/4 
DH283-4220-L77Powerglide 
327 ↓    
EA327-4250-L30Manual-3/4 
EB327-4300-L74Manual-3/4High Perf, AFB Carb
*EC*327-4*350-L79*Manual-3/4 HD*Special High Perf, Holley Carb
ED327-4350-L79Manual-3/4 HDTransistor Ignition, Holley Carb
EE327-4250-L30Powerglide 
EF327-4300-L74PowerglideHigh Perf, AFB Carb