1966 El Camino Engine ID Codes
Engine |
Transmission |
Notes |
||
Code | Size-Carb | HP-RPO | ||
AA | 194-1 | 120 | Manual-3 | Overdrive |
AC | 194-1 | 120 | Manual-3 | Heavy Duty Clutch |
AG | 194-1 | 120 | Manual-3 | A.C. |
AH | 194-1 | 120 | Manual-3 | Heavy Duty Clutch/A.C. |
AL | 194-1 | 120 | Powerglide | |
AS | 194-1 | 120 | Manual-3 | Overdrive/A.I.R. |
AT | 194-1 | 120 | Manual-3 | A.C./A.I.R. |
BL | 230-1 | 140-L26 | Powerglide | A.I.R. |
BM | 230-1 | 140-L26 | Powerglide | A.C./A.I.R. |
BN | 230-1 | 140-L26 | Manual-3 | Overdrive/A.I.R. |
BO | 230-1 | 140-L26 | Manual-3 | A.C./A.I.R. |
CA | 230-1 | 140-L26 | Manual-3 | Overdrive |
CB | 230-1 | 140-L26 | Manual-3 | A.C. |
CC | 230-1 | 140-L26 | Powerglide | |
CD | 230-1 | 140-L26 | Powerglide | A.C. |
DA | 283-2 | 195 | Manual-3 | |
DB | 283-2 | 195 | Manual-4 | |
DE | 283-2 | 195 | Powerglide | |
DG | 283-4 | 220-L77 | Manual-3/4 | |
DH | 283-4 | 220-L77 | Powerglide | |
DI | 283-2 | 195 | Manual-3 | Overdrive/A.I.R. |
DJ | 283-2 | 195 | Powerglide | A.I.R. |
DK | 283-2 | 195 | Manual-4 | A.I.R. |
DL | 283-4 | 220-L77 | Manual-3/4 | A.I.R. |
DM | 283-4 | 220-L77 | Powerglide | A.I.R. |
EA | 327-4 | 275-L30 | Manual-3/4 | |
EB | 327-4 | 275-L30 | Manual-3/4 | A.I.R. |
EC | 327-4 | 275-L30 | Powerglide | A.I.R. |
EE | 327-4 | 275-L30 | Powerglide | |
ED | 396-4 | 325-L35 | Manual-3/4 | |
EF | 396-4 | 360-L34 | Manual-3/4 | |
EG | 396-4 | 375-L78 | Manual-3/4 | Holley Carb/Solid Cam |
EH | 396-4 | 325-L35 | Manual-3/4 | A.I.R./Rochester Carb |
EJ | 396-4 | 360-L34 | Manual-3/4 | A.I.R. |
EKH* | 396-4 | 325-L35 | Powerglide | Holley Carb |
EKR* | 396-4 | 325-L35 | Powerglide | Rochester Carb |
EL | 396-4 | 360-L34 | Powerglide | |
EM | 396-4 | 325-L35 | Powerglide | A.I.R./Rochester Carb |
EN | 396-4 | 360-L34 | Powerglide | A.I.R. |
EP** | 327-4 | 350-L79 | H.D. 3-speed of 4-speed | |
ER** | 327-4 | 350-L79 | H.D. 3-speed of 4-speed | A.I.R. |
ES** | 327-4 | 350-L79 | H.D. 3-speed of 4-speed |
A total of 116,551 6-cyl engines were installed; 49,608 194cid and
66,943 230cid engines.
A total of 330,813 8-cyl engines were installed; 209,338 283cid,
46,230 327cid, and 75,245 396cid engines.
There is no breakdown of engine type or size by specific series/model
other than 6-cyl. vs. 8-cyl.
The 396 8-cyl engine was only available in the 13817/67 SS396 and
134/13680 El Camino.
The L35 396cid 8-cyl engine was the base, or standard, engine in the
SS396. GM reports 1,865 L35 engines ordered as options and these
would have been installed in the El Camino series.
There were 3,099 375hp L78 engines installed in 1966 Super Sports and El Caminos.
*Engine blocks may or may not be stamped with "H" or "R" suffix noting Holley or Rochester carburetor.
** Chevrolet production records show this engine in production as
early as February 7, 1966 and release date in late February or early
March. However, 1966 Chevrolet RPO Production Numbers show
no indication of this
engine being sold.
Want more information on 1966 Chevelles/El Caminos? Take a test drive of
my 1966 Chevelle/El
Camino
Reference CD.