1966 Chevelle

Fisher Body Number Plate Decoding

Typical U.S.-built 1966 Fisher Body number plate
United States

Typical Canada-built 1966 Fisher Body number plate
Canada

The U.S.-built 1966 SS396 Chevelle was only available with the 396 engine and only came in a 2-door sport coupe (138176xxxxxxx) or 2-door convertible (138676xxxxxxx) body style.

The 396 engine could be ordered in the 1966 El Camino but the El Camino did not have the SS option package; SS El Caminos did not appear until 1968. In 1966 and 1967 only, the Malibu and SS396 also had its own body style designation for the 2-door sport coupe (hardtop), "17" as opposed previous and later model years that used style "37" to denote the 2-door sport coupe.

Typical 1966 Fisher Body Number Plate Breakdown - U.S. production

Line 1: Body production date of vehicle. A typical production date would be: 06C
This production date tells us the Chevelle in question was produced in June (06) in the third week (C).
(Caveat: Unfortunately, plants were open to deciding what a 'week' is in relation to specific dates. Therefore, the date ranges shown on the pages where they appear may or may not be correct. To conform to some standard for the data presented, letter "A" represents dates 1-7, letter "B" represents dates 8-14, letter "C" represents dates 15-21, letter "D" represents dates 22-28, and letter "E" represents dates 29-31 as applicable.)

01 - January04 - April07 - July10 - October
02 - February05 - May08 - August11 - November
03 - March06 - June09 - September12 - December

A - First Week
B - Second Week
C - Third Week
D - Fourth Week
E - Fifth Week

Line 2: Model Year, Fisher Body Style Designation, Assembly Plant, Fisher Body unit number. The first number (66) on line 2 is the year of production, the 5 numbers that follow is the Fisher Body Style designation, then assembly plant designation, and finally the Fisher Body unit number used for production purposes. The even/odd third digit of the Fisher Body Style number does not indicate a V8 or L6 engine on the body plate, only the VIN plate will distinguish between the two with the exception of Fremont and Ontario. See the Introduction page for more information.

MODEL IDENTIFICATION

CHEVELLE 300 131-13200 SERIES
MODEL 131-13211 ~ 2-DOOR SEDAN, 6-PASSENGER
MODEL 131-13269 ~ 4-DOOR SEDAN, 6-PASSENGER

CHEVELLE 300 DELUXE 133-13400 SERIES
MODEL 133-13411 ~ 2-DOOR SEDAN, 6-PASSENGER
MODEL 133-13435 ~ 4-DOOR STATION WAGON, 2-SEAT
MODEL 133-13469 ~ 4-DOOR SEDAN, 6-PASSENGER
MODEL 133-13480 ~ 2-DOOR SEDAN PICKUP, 3-PASSENGER

MALIBU 135-13600 SERIES
MODEL 135-13617 ~ 2-DOOR SPORT COUPE, 5-PASSENGER
MODEL 135-13635 ~ 4-DOOR STATION WAGON, 2-SEAT
MODEL 135-13639 ~ 4-DOOR SPORT SEDAN, 6-PASSENGER
MODEL 135-13667 ~ 2-DOOR CONVERTIBLE, 5-PASSENGER
MODEL 135-13669 ~ 4-DOOR SEDAN, 6-PASSENGER
MODEL 135-13680 ~ 2-DOOR SEDAN PICKUP, 3-PASSENGER

SUPER SPORT 396 13800 SERIES
MODEL 13817 ~ 2-DOOR SPORT COUPE, 5-PASSENGER
MODEL 13867 ~ 2-DOOR CONVERTIBLE, 5-PASSENGER

Line 3: Interior trim and lower/upper paint/vinyl/convertible top color codes.

Lines 4/5/6: Of the 5 U.S. assembly plants Atlanta, Framingham and Kansas City also included up to five Body Option Groups; Baltimore and Fremont did not use these codes. Baltimore and Fremont were GMAD, or General Motors Assembly Division, plants and other GM vehicles were assembled there along with the Chevelle. These groups may be listed on 1 line or 2, depending on the number of options to be installed on the Chevelle.

  • Atlanta lists body option groups on lines 4 and/or 5. Additionally, a hand stamped number of unknown meaning is often found at various locations on the plate. See Atlanta Body Plates. 

  • Baltimore lists the Job Number of the Trim Broadcast Sheet on line 1. See Baltimore Body Plates / El Camino

  • Flint lists body option groups on lines 4 and/or 5. See Flint Body Plates.

  • Fremont lists tracking codes on line 5. See Fremont Body Plates / El Camino

  • Framingham lists body option groups on lines 4 and/or 5.  A single letter is also found in the top right of the plate and its meaning is unknown at this time. See Framingham Body Plates.

  • Kansas City lists body option groups on lines 4 and/or 5. See Kansas City Body Plates / El Camino

  • Oshawa layout of the body plate is a little different from the U.S.-built counterparts. Style (series/model) and assembly date are listed on line 1, line 2 is body number, line 3 is paint color, line 4 is interior trim, and line 5 will list some options by their Regular Production Option code. No indication of the Oshawa plant itself. See Oshawa Body Plates.

Options that may be listed in groups for Atlanta, Framingham, and Kansas City. 
{Note: There may be additional option codes as GM tended to change options availability throughout the model year. Only those listed by various documentation and those verified (when not listed) are shown.}

GROUP 1 - No number precedes GROUP 1
D ~ Power convertible top [RPO C06]E ~ Tinted glass (all) [RPO A01]
F ~ Power bench seat [RPO A42] *G ~ Power tail gate window [RPO A33]
O ~ Two-tone paint [RPO 950]T ~ Power bucket seat [RPO A46]
W ~ Tinted windshield (only) [RPO A02]X ~ Power windows [RPO A31]
* Reported but no example found to date
  
GROUP 2 - preceded by the number "2"
B ~ H.D. 3-speed floor shift [RPO M13] ***E ~ unknown *****
G ~ Center console [RPO D55]H ~ Heater delete [RPO C48]
K ~ Air conditioning [RPO C60]L ~ 4-speed transmission [RPO M20]
M ~ Powerglide transmission [RPO M35]P ~ Unknown
Q ~ 4-speed transmission [RPO M21] ****R ~ Rear seat speaker [RPO U80]
S ~ Rear antenna [RPO U73]T ~ Rear power antenna [RPO U75] **
Z ~ Comfortilt steering wheel [RPO N33] * 
* Seen on one suspicious Atlanta tag. Tag has other issues and car does not have Comfortilt steering wheel.
** Seen on Kansas City SS396 sport coupe body plate - 11A, Framingham SS396 sport coupe body plate - 12A, and Atlanta SS396 body plate - 03D.
*** Found on numerous Kansas City tags but apparently not all transmissions are coded on all plants on SS396 series Chevelles. 
**** General consensus is leaning toward the M21 4-speed transmission. Found on several Atlanta, Flint & Kansas City body plates and could be plant specific. Update, November 2011: One July 1967 L78 Chevelle from Kansas City shows "L" on the trim tag and various paperwork with the car clearly indicates an M21 4-speed.
***** Found on 12B and 04D Atlanta body plate.
  
GROUP 3 - preceded by the number "3"
B ~ Rear window defogger [RPO C50]D ~ Special lighting group
  
GROUP 4 - preceded by the number "4"
F ~ Comfort & convenience group [RPO Z19] ***H ~ unknown
U ~ unknownX ~ unknown
  
GROUP 5 - preceded by the number "5"
B ~ Front/rear bumper guards [RPO V30] *Y ~ Deluxe seat belts [RPO A39]
(El Camino not equipped with rear belts)
Z ~ Shoulder belts [RPO A85] ** 
* Seen on one suspicious Atlanta tag. Tag has other issues and car does not have bumper guards.
** Reported on Kansas body plate.
*** The Factory Assembly Instruction Manual shows both RPO Z01 and RPO Z19 as Comfort & Convenience Groups but neither GM's Accumulative Production Report nor Options and Accessories When Installed By Chevrolet list RPO Z01, only RPO Z19.  The Factory Assembly Instruction Manual shows all items under Z01 as being transferred to Z19 so only RPO Z19 will be listed here.
  
All 1966 Chevelle/El Camino Assembly Plants
Atlanta, GA ~ Chevelle  Atlanta, GA ~ El Camino
YearVINTrim Tag Year VINTrim Tag
1966AATL El Camino Not Assembled in Atlanta
       
Baltimore, MD ~ Chevelle  Baltimore, MD ~ El Camino
YearVINTrim Tag YearVINTrim Tag
1966BBAL 1966BBAL
       
Flint, MI ~ Chevelle  Flint, MI ~ El Camino
YearVINTrim Tag YearVINTrim Tag
1966FFL1 El Camino Not Assembled in Flint
       
Fremont, CA ~ Chevelle  Fremont, CA ~ El Camino
YearVINTrim Tag YearVINTrim Tag
1966ZBF 1966ZBF
       
Framingham, MA ~ Chevelle  Framingham, MA ~ El Camino
YearVINTrim Tag YearVINTrim Tag
1966GFRA El Camino Not Assembled in Framingham
       
Kansas City, Missouri ~ Chevelle  Kansas City, Missouri ~ El Camino
YearVINTrim Tag YearVINTrim Tag
1966KKAN 1966KKAN
       
Oshawa, Ontario ~ Chevelle Oshawa, Ontario ~ El Camino
YearVINTrim Tag YearVINTrim Tag
19661  El Camino Not Assembled in Oshawa

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