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- Chevy Engine Serial Number Search
The casting number is located on the driver's side, top rear of the engine block. The number on the front passenger side of the engine block will NOT tell you the displacement of the engine block. I used a lumber crayon to highlight my casting number. I still got it wrong the first time. I also have a 3 inch body lift which makes seeing the number easier. Your view of the number will vary, but this is where it is located. Finding the block numbers on my old chevy v8 first gen. Open the hood. Locate the engine code stamped into the engine block. For 6-cylinder engines, check behind the distributor on the right hand, or passenger, side of the block. For 8-cylinders, check behind the water pump on the front of the block. Sep 14, 2012 In 68-69 model cars, the serial (VIN) number of the car the engine was installed in is stamped next to, or under the engine code ID. Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block pad (in front of the cylinder head), or on the transmission flange somewhere. The Head Casting number is located outside of the Valve Cover in plain site on the Drivers Side. If you have ever heard that the new style 235 gets better compression numbers with an '848' Head, look for the last three numbers of that Casting Number.
Jump to: VIN | Trim Tag | Engine Decoding | Transmission Decoding | Rear Axle Decoding
GM Body Types | GM RPO Descriptions | Build Sheets & other Paperwork
Chevy Engine Suffix Codes | Small Block Parts Identification | Big Block Parts Identification
283 Chevy Engine Serial Number Location On Mercury Outboards
Being able to decode the various markings on a car or part is important in establishing what type of car or part you have. This site is one of the most comprehensive numbers decoding places available anywhere. From this page, you can quickly get to the specific codes. I try and answer emails and decode specific requests, but often you can find the information here if you spend a couple minutes looking.
Above, left: A trim tag, lists original interior trim, exterior color, build date and other fisher body info.
Above, right: An engine showing engine suffix code and partial vin code.
You can verify the model of a car, or the originality of a car. The primary number on a car is the VIN number. The VIN is the legal and most accurate representation of the car. This will tell a lot of information about the car itself, where it was built, what model it is and what engine originally came in the car (generally or specifically after 1972). A trim tag or body number tag is FISHER BODYS representation of the car. It is used to identify when the car was built and how the car (body) was originally fitted out, what type of seats, colors, etc... finally, the engine, transmission and rear axle markings tell where the unit was made or assembled, when it was made, what the specific characteristics it is and usually what it was originally installed in. By decoding these items, you can gather a lot of information about your car as well as check the originality of a car. This is especially helpful if you are checking out a 'numbers matching' car where the asking price is usually higher. If any item appears to be amiss, you should be VERY skeptical of the originality of the car. However, in some cases, legitimate changes could have been made (warranty work, production assembly line substitution, etc...) Most of this information pertains to the Chevrolet Camaro.
Please note - this site is heavily slanted towards Chevrolet decoding with an emphasis on Camaros. 1970 to 1981 specifically. Decoding other cars is similar but don't be surprised if you find an omission here or there.
The VIN is the Vehicle Identification number. It is the legal definition of the car - regardless of everything else you're looking at. When you buy ANY car, the VIN on the piece of paper in your hand MUST MATCH the VIN affixed to the car. Otherwise you're dealing with 2 different vehicles. And while it should be obvious - if you decode a Trans Am vin and you're buying a Camaro.... or you have what looks like a Nova sitting in the driveway, but the VIN decodes as a Monza... remember - the VIN is the car. And if the VIN says the thing is a Monza and you're trying to buy a Nova - nevermind the paperwork. Walk away.
The VIN is 13 digits long, until 1981 when it goes to 17 digits. 'Carfax' needs 17 digits - therefore it can't do anything with a pre-81 vehicle. The VIN is affixed to the car with specific rivits called rosette rivits. It is not affixed with hardware store pop-rivits. If at all possible, never touch or remove the VIN from the vehicle for ANY reason.
In extreme cases where you have doubts about the validity of the VIN affixed to the vehicle (i.e. it's been tampered with or affixed with pop-rivits), you would double check it against the hidden (or confidential) vin. This number will be stamped on the last substantial thing that'll get destroyed during the cars life. In the case of the Camaro - this is the firewall, BEHIND the heater box. The theory is - if the firewall is destroyed, the whole car is gone. You won't accidentally fix and alter or obliterate the confidential vin during the repair process - so these numbers will always match up.
Here's the hidden vin on a Camaro. The format is not the complete VIN, but enough to conclude the original VIN's number.
1 = chevy, 4 = model year, N = assembly plant, xxxx = serial number of vehicle. (this will match the VIN plate)
The VIN will contain MODEL information. The 'SS', and 'Z28' are NOT MODELS. They are options. Options aren't coded in the VIN. However, beginning in 1972 when the specific engine is coded into the VIN, the ENGINE will give away or hint at the option. These 2 option packages required specific engines and the VIN engine code will nail down a Z28 or an SS. This becomes somewhat useless after 1974, but helpful again in 1981. The Type LT and Berlinetta are Models and the VIN will reveal this.
The sequential number for the vehicle doesn't start at 000001. The Camaro generally starts at either 100001 or 500001, depending on year and assembly plant. This way if the plant is building 3 different vehicles, each vehicle line will be in a unique sequential range - Camaros at 100001, Novas at 300001, Impalas at 700001, etc... The first 10 or 20 cars are usually pilot cars and go to places other than dealers.
The VIN Number breakdown for specific year Camaros is located under each year Camaro information as the information contained in the VIN changes from year to year. The VIN on the 1967 Camaro is on a stainless steel plate rivited inside the drivers door jamb. All other models have the VIN located on a plate visible through the windshield on the drivers side dash panel.
VIN info from 1967 - 1971 were in the same format. The breakdown is as follows: |
The format for 1972 to 1980 VIN's is as follows: |
The VIN format in 1981 - 1984 changed.
1st digit: Country of origin: 1 = USA, 2 = Canada.
2nd digit: G = General Motors
3rd digit: Division, 1 = Chevrolet.
4th digit: Restraint system:
A = Non-passive, B = Automatic belts, C = Inflatable restraint
5th digit: Series: P = Camaro Sport Coupe, S = Camaro Berlinetta
6th & 7th digit: Body Style: 87 = Sport Coupe
8th digit: Engine : See specific year (camaro info) for breakdown.
9th digit: Check digit - used to verify that the VIN was recorded correctly.
10th digit: Year: B = 1981
11th digit: Letter indicating assembly plant
L = Van Nuys, California, N = Norwood, Ohio
12th through 17th digits: Sequential production number starting with 100001.
Other miscellaneous VIN information
The following contains information which gives an example of what the various positions in a 1979 VIN stand for.
VIN EXAMPLE (1979/others similar): 1N19G9J100001
1 = Division Identification, Chevrolet Motor Division
N = Vehicle Series (Caprice)
19 = Model (4 door sedan)
G = Engine (305 CID V8 w/2 barrel carb)
9 = Year (1979)
J = Assembly plant (Janesville)
Position 1: Division Identification
Always 1 for Chevrolet
(2 = Pontiac, 3 = Oldsmobile, 4 = Buick, 5 = GM Overseas, 6 = Cadillac, 7 = GM of Canada
9 = GM Overseas, C = Chevy Truck, T = GMC Truck)
| L = Impala | N = Caprice Classic | Q = Camaro |
| S = Camaro Berlinetta | X = Nova | Y = Nova Custom |
| Z = Monte Carlo | T = Malibu | W = Malibu Classic & El Camino |
Positions 3 & 4: Model
17 2 Dr. Hatchback Coupe, 6-passenger
19 4 Dr. Sedan, 6-passenger
27 2 Dr. Coupe or Notchback Coupe, 4 or 6-passenger
35 4 Dr. Station Wagon
37 2 Dr. Sport Coupe, 6-passenger
47 2 Dr. Coupe, 6-passenger
69 4 Dr. Sedan, 6-passenger
80 El Camino
87 2 Dr. Sport Coupe, 4-passenger Camaro
Position 7: Assembly Plant
In 1972, plant codes changed to reflect the VIN code. For example, 'NOR' = Norwood before 1972. In 1972 and on, it was simply 'N'.
| A = Lakewood | L = Van Nuys | W = Willow Run | 4 = Scarborough |
| B = Baltimore | M = Lansing | X = Fairfax | 5 = Bowling Green |
| C = Lansing (B) | N = Norwood | Y=Wilmington | 5 = London |
| D = Doraville | P = Pontiac (Pontiac) | Z = Fremont | 6 = Oklahoma City |
| E = Linden | Q = Detriot | 1 = Wentzville | 7 = Lordstown |
| F = Flint (Chevy) | R = Arlington | 1 = Oshawa #2 | 8 = Shreveport |
| G = Framingham | S = St. Louis | 2 = Moraine (T&B) | 8 = Fujisawa (Japan) Luv |
| H = Flint (Buick) | S = Ramos Arizpe | 2 = St. Therese | 9 = Detroit (Cadillac) |
| J = Janesville | T = Tarrytown | 3 = Detroit (T&B) | 9 = Oshawa #1 |
| K - Kosai | U = Hamtramck | 3 = St. Eustache | 0 GM Truck Pontiac |
| K = Leeds | V= Pontiac (GMC) | 4 = Orion |
The Cowl or Trim tag is FISHER BODYS representation of the BODY. Not a vehicle, but a shell. In Summary, Fisher body doesn't care if this is a Camaro or a Firebird. They need to know what color to paint the thing and what style & color interior to put into it. Anything related to their assembly of the thing and what they need to know is represented on it. After they're done with it, it gets the Division specific goodies.
I say this because fisher body doesn't care if this is a Z28. But they'll need to know to paint the stripes on one. Same thing with the big block super sport... this had a black painted tail panel - so it'll be indicated (on norwood built cars. LA didn't code the tag in an obvious way). The small block SS isn't coded because there's typically nothing unique about it. Fisher body also punches holes and runs electrical items (power windows, power locks) in certain spots. In the mid 70's as these options became available, they'd be indicated on the tag as well. In some cases, these punched holes hint at things (like TH400 kickdown holes, or Muncie speedometer cable holes)...
The trim tag is not a legal piece of information. It's informative, but not definitive. In otherwords, a trim tag hinting at a SS 396 Camaro with a 6 cylinder VIN number is not an SS. It's a 6 cylinder Camaro - regardless of what the tag says. The VIN trumps the tag. What you see is what you get and that trumps the tag too. But it's nice to know what the tag is saying. Hopefully what you see is agreeing with the tag itself. You won't get arrested for removing or switching tags but you may wonder WHY the tag was switched, if it was. I have no idea why people would do that... it could be innocent or it could be for nefarious purposes.
The Tag is generally rivited onto the body, except in some years (1973 & 1974) where they simply screw it onto the car with sheet metal screws.
A note about paint. As we know, Fisher Body paints the car. Generally, the regularly available color code will be indicated, but occasionally, you'll see '--' where a number should be. This means the car had SPECIAL PAINT. It doesn't say WHAT paint was used - simply that the car isn't getting a stock offered color. It could represent anything. Sometimes (generally not on camaros) - a WA code will be stamped, and you can translate that WA code to a color. Or it might have the color code from some other car line on it. Generally on the Camaro, special paint is represented as '--', and it's generally indicating 'black'.... but not always. You'll need to check the Build sheet (if available) or check for trace evidence on the car as to the original color. Otherwise, your guess is as good as mine.
The Corvette is totally built by Chevrolet. It has a tag, but it's not a Fisher Body tag. This also explains why you will find complete assembly instructions in the Assembly Manual and Shop manual. All aspects of the Corvette are Chevrolets responsibility.
Location on 1967 - 1969 Camaros is on firewall next to brake booster. From 1970 - 1981 it's facing up on the cowl panel as you open the hood, right near the windshield on the drivers side. 1982 - 1985 model location is under the hood on the radiator cross support. Mid 1984 models contain the body tag and a Service Parts Identification Label located in the center of the console cover). In 1986 the body tag is no longer used, replaced with just the Service Parts Identification Label (which is useless if you replace the console lid). The Service Parts ID Label contains VIN, option codes, paint type, paint code, convertible top code and interior trim code.
For additional tag info including Los Angeles Build codes: See Stegmillers Cowl Tag info page
Norwood built cowl tag decoding.
Read the tags from left to right, top to bottom. Additional detail may be hyperlinked and spans years. My individual yearly Camaro information also has a tag specific to the year contained in there, as well as a wide amount of color/trim information specific to that year. Where OPTIONAL is mentioned, this data may or may not be present. ** For example, if the car doesn't say Z27, it's 99.9% sure it's NOT a SS car.
| 71 = Model Year 12487 = Model Description (Chevrolet Camaro, V8 2dr coupe) NOR = Norwood Assembly Plant 158343 = Body sequence # 775 = Interior trim code (standard black vinyl) 75 = lower body color (cranberry red) 75 = upper body color or vinyl top code 03D = Build date (month/week). Z28.19 = Accessory code, Z28, w/black stripes OPTIONAL |
Sample for years 1974 - 1978 (1974 shown)
| 74 = Model Year 1FQ87 = Model description N = Norwood Assembly Plant 152322 = Body sequence # 798 = interior trim code A51 = Seat code 74 = lower body paint color 74 = upper body paint color or vinyl top code 02C = Build date. (month/week) Z28 = Accessory CodeOPTIONAL SAD = SADdle dashboard |
| 80 = Model Year 03C = Build month & week. 1FP87 = model description N = Norwood Assembly Plant 099640 = Body sequence # 74R interior trim code (dark carmine) 19L lower body color (Black) 19U = upper body color or vinyl top code (black) 74A = stripe code (Carmine) Optional? L = Paint Type (Lacquer) A51 = Seat code CC1 = T-Tops (or --- if not equipped) A31 = Power Windows (or blank if not equipped) Z28 Accessory code Optional CAR = Steering Column & Dash color (Carmine) |
Sample Cowl Tag - 1973
| 73 | Model Year (1973) | 778 | Interior Trim (Dark Saddle) |
| 1 | Car Division (Chevrolet) | A51 | Seat Type (Bucket) |
| FQ | Series (Camaro Base) | 97 | Lower Body Color (Medium Orange) |
| 87 | Body Style (2-dr. Sport Coupe) | 97 | Upper Body Color (Medium Orange) |
| N | Assembly Plant (Norwood, Ohio) | 05B | Build Date (May, 2nd week) |
| 158854 | Body number | Z28 | Accessory Code |
Model Description - Combination of Car division, Series and body style. (extracted fromVIN)
Breaks out as 1|24|87.
1 = Division (chevrolet) |
23 = 6 cylinder Camaro (1970 - 1972)
24 = 8 cylinder Camaro (1970 - 1972)
FQ = Camaro Base level (1973 - 1978)
FS = Type LT (1973 - 1978)
FP = Camaro Base level (beginning in 1979)
FS = Berlinetta (beginning in 1979)
| 87 = body style (2 door coupe)
Assembly Plant - identifies which assembly plant built the car
Assembly plant code designation changed in 1973 from 3 characters to 1.
L (or LOS) = Van Nuys, N (or NOR) = Norwood
See above for additonal examples of assembly plants for other car lines.
Body Sequence Number - production serial number of the body, won't match the VIN sequence.
Trim Code - Indicates (interior) trim color and material.
Due to the wide variety of trim colors available, and especially after 1973 in which various dashboard, rug & fabric combinations were offered.... it's best to select the year you wish to decode from the drop box below.
Paint Code - indicates the exterior paint color and vinyl top color if so equipped. A two part code indicates bottom and top colors respectively on a 2 tone paint option, or what color an optional stripe, convertible top or vinyl top was ordered. When a car has the same upper & lower code, it can be assumed the car was a solid color.
Due to the wide variety of colors available, and especially in later years in which color keyed wheels, dual or triple tone color schemes or stripes were used, it's best to select the model year car you want to decode from the drop box. In addition to the codes, I've added color chips where available.
Paint Type Code: L = Lacquer, E = Enamel, W = Water
Starting in 1985 the paint types are:
DIS Lacquer - Dispersion Lacquer
SOL Lacquer - Solution Lacquer
BC CC - Base Coat/Clear Coat
Water - Enamel
Build Date - digit 1 & 2 identify month, 3rd digit identifies week.
Month code: 01 = Jan, 02 = Feb, 03 = Mar, 04 = Apr, 05 = May, 06 = Jun, 07 = Jul, 08 = Aug, 09 = Sep, 10 = Oct, 11 = Nov, 12 = Dec
Week code: A = 1st, B = 2nd, C = 3rd, D = 4th, E = 5th
Accessory codes (or optional information):
On Norwood cars, Z28 and SS (Z27) will be indicated here. In addition to the 'FS' on Type LT's, a 'S' may be in this area to signify Type LT's. In 1975 with the reintroduction of the Rally Sport, a Z85 will be in this position. In 1979 that designation was shortened to 'Z'. If the car was a standard sport coupe, this area would be blank.
If the car is a Super Sport, the tag will be stamped Z27. Next to this will be the engine RPO if it was a Big Block. (LS3, L78)
If the car was a Z28 the number next to the code is the stripe code. The stripe code corresponds with the year paint code. Blank = no stripes. 19 = black, 10 or 11 = white.
Stripe code in 1973 was
Blank = Wasn't ordered with D88 stripes | YF8 = black stripes | ZR8 = white stripes
One word of caution.... the 'reproduction' (or counterfeiting) market is now making these tags for sale - stamped as the buyer desires. As such, extra scrutiny should be used in comparing the body tag, VIN, any other documentation, and the actual car, to look for oddities.
The other 'demand' for these tags is not just to fake Z28's or Super Sports, but to restore a car, then get a trim tag to match the restored car and try and call it '100% original'. Not many people want to meticulously restore a lime green car with tan interior.
Batch codes - Very few people know how to decode these. I'll put more in here later. With the counterfeiting of trim tags, this is the last code which could be used to scrutinize the trim tag as being straight up, or faked.
Engine Decoding/IdentificationThis file has gotten so large that I've split this file up and moved the engine identification information here.
Transmission Decoding/Identification
This file has gotten so large that I've split this file up and moved the chevy transmission identification information to here.
Rear Axle Decoding/Identification
283 Chevy Engine Serial Number Location 2001 Honda Foreman Rubicon
This file has gotten so large that I've split this file up and moved the chevy rear axle identification information to here.Chevy Engine Serial Number Search
Last updated: 2/19/2011Author: MadMike Maciolek
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North Georgia Classic Camaro
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