Mopar 440 Serial Number Location
There are two sure ways to identify a Chrysler 383 CID (cubic inch displacement) V8 engine. The first is to locate and decode the large casting number on the left side of the block. The second and easier way is to locate and decode the hand-stampings on the block's ID boss.
440: 66-79 (Except 70- 72 HP) 1737 642: 350 (Forged) 361 (Forged) 383 (Forged. 58 (Car) 58-61 (Car) 59-61 (Car) 1851 127: 413 (Forged) 59-64 (Car) 1851 436: 413 (Forged) 60-77 (Truck with 8-bolt crank) 1855 527: 383 (Forged) 59-61 (Car) 1978 698: RB (Forged) 59-61 (Car) 2203 155: B (Forged) 59-61 (Car) 2206 157: 361 (Forged) 60-78 (Truck with 8-bolt crank: 2206 158: 440 (Forged). Casting # Application: 2408 156: 63 Max Wedge NASCAR Single Plane: 2806 178: 68-69 440 4bbl: 2806 301: 68-69 383 4bbl: 2951 666: 70-71 383 4bbl: 2951 736: 70-71 440 4bbl.
Please note that while a casting number on an engine intake manifold, cylinder head or other part can identify a Chrysler 383 component, such identification is not the same thing as identifying the engine as a 383.
Mopar 440 Serial Number Location 302
Identify by Block Casting Number
Step 1
Locate the large, seven-digit casting number stamped on left side of block. If necessary, use a wire brush to remove dirt and grime from the stamping.
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Step 2
View and record the block casting number. Use a magnifying glass as necessary.
Decode the block casting number you recorded as follows: 2120329 = 383 RB (1959-1960) 1851729 = 383 B (1959-1964) 2128854 = 383 B (1964) 2532130 = 383 B (1965) 2568130 = 383 B (1959-1971) 2899830 = 383 B (1970)
Identify by ID Boss Stampings
Step 1
Mopar 440 Serial Number Location On Browning Shotgun
Locate the engine ID boss. If the ID boss is located on the block's right side just below the cylinder head next to the distributor base, then the engine has an RB (Golden Lion) block; if the ID boss is located on top of the block directly in front of the intake manifold valley, then the engine is a B block.
Step 2
As necessary, use a wire brush to remove dirt and grime from the ID boss stampings.
Step 3
View and record the top row of ID boss stampings (e.g., 'P38', 'E383', so on). Use a magnifying glass as necessary.
Decode the ID boss stamping you recorded as follows: M38 = 1959 383 (B block) MR38 = 1959 383 (RB block) P38 = 1960 383 (B block) PR38 = 1960 383 (RB block) R38 or R383 = 1961 383 S38 or S383 = 1962 383 T38 or T383 = 1963 383 V38 or V383 = 1964 383 A383 = 1965 383 B383 = 1966 383 C383 = 1967 383 D383 = 1968 383 E383 = 1969 383 F383 = 1970 383 G383 = 1971 383
Warnings
- Access to places where identifying casting numbers and ID boss stampings are located may require removal of certain engine components. Do not attempt to remove these components unless you are capable or have the necessary assistance to do so.
- Because of continued interest in muscle-car era engines generally, information about the 383 CID V8 and other Chrysler high-performance engines is being added and changed all the time. While this article represents current 'best knowledge', it is by no means the last word.
Items you will need
- Wire brush
- Magnifying glass
- Pen and paper
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The Chrysler Corporation's 318 cubic-inch engine is one of the top performing Mopar engines of its generation, demonstrated by a 35-year run, from 1967 to 2002. Used in most Chrysler models, including Dodge, the 318 is identified by locating the casting numbers found on the engine block. According to Year One's Engine Casting Number Page, 'Each engine displacement had a unique, or set of unique, casting numbers on the block. A 318 will never share a block casting number with a 273 or 340.' A casting date is also present, indicating manufacture date.
Step 1
Locate the casting number. According to My Mopar, the casting number is located on the driver's side of the engine block, usually near the freeze-plugs. It is a seven-digit numerical code that needs to be referred to a casting number listing.
Step 2
Reference the casting number to listings similar to those found on My Mopar, Year One and Mopar 1 (see References). There is no method to the Mopar coding system, so the numbers must be referred to a listing. The casting number identifies specifics such as the displacement, matching cylinder heads, carburetor and camshaft applications, as well as other specs particular to that engine.
Find the casting date code. Usually found on the passenger side of the engine block, it may also be on the driver's side. Look for an easy to read date code, 8.5.74, for example. This code indicates August 5, 1974. as the date of manufacture. A casting clock may also be present. Visually resembling a clock, the hour pointed to is the hour of manufacture.
Items you will need
- A Mopar engine casting number listing
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