General Reference Info
Factory Build Cards Are Available From Chrysler !
Cost is $99.00 USD and requires your car's factory serial number.
(VIN number on the door frame, not the engine block serial number.)
Mail information to:
Chrysler Historical Collection,
DaimlerChrysler Corporation, CIMS 410-11-21,
12501 Chrysler Freeway,
Detroit, MI 48288, USA
| Engine Reference Information Engine Serial Numbers are located near front upper left side of block between #1 and #2 cylinder. In addition, engine numbers may be stamped onto the left rear corner of the frame, in the area of rear wheel. Imprint is on the side of the frame rail, between the front and rear frame kickup over the rear axle. |
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| Year & S/N | Displacement | Bore & Stroke | Compression | H.P. | Firing Order | Torque Ft. Lbs. |
| 1946 P15 | 217.8 | 3-1/4 X 4-3/8 | 6.60 | 95 @ 3600 rpm | 1, 5, 3, 6, 2, 4 | 172 @ 1200 rpm |
| 1947 P15 | 217.8 | 3-1/4 X 4-3/8 | 6.60 | 95 @ 3600 rpm | 1, 5, 3, 6, 2, 4 | 172 @ 1200 rpm |
| 1948 P15 | 217.8 | 3-1/4 X 4-3/8 | 6.60 | 95 @ 3600 rpm | 1, 5, 3, 6, 2, 4 | 172 @ 1200 rpm |
| 1946 D24 | 230.2 | 3-1/4 X 4-5/8 | 6.70 | 102 @3600 rpm | 1, 5, 3, 6, 2, 4 | 184 @ 1200 rpm |
| 1947 D24 | 230.2 | 3-1/4 X 4-5/8 | 6.70 | 102 @3600 rpm | 1, 5, 3, 6, 2, 4 | 184 @ 1200 rpm |
| 1948 D24 | 230.2 | 3-1/4 X 4-5/8 | 6.70 | 102 @3600 rpm | 1, 5, 3, 6, 2, 4 | 184 @ 1200 rpm |
| Other Mopar Engine Serial Number Sequences As many P15 and D24 s have had engines replaced the following list provides indentification for common block replacments. |
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| Plymouth | Year | C.I. | Dodge | Year | C.I. | Dodge Truck | Year | Truck Notes |
| P9,10,11,12 | 1940-41 | 201 | D14,17,19 | 1940-41 | 218 | T116 | '41-'47 1T | T116-42001 or below, 218 ci T116-42001 higer, 230 ci |
| P14 | 1942 | 218 | D22 | 1942 | 230 | T137 | '47-'56 PW | Usually 230 ci |
| P17, P18 | 1949 | 218 | D29,30 | 1949 | 230 | T142 | '48-'48 1/2T | |
| P20 | 1950 | 218 | D33, 34 | 1950 | 230 | T144 | '48-'48 3/4T | |
| P22 | 1951-52 | 218 | D41, 42 | 1951-52 | 230 | T146 | '48-'48 1T | Usually 230 ci |
| P23 | 1951-52 | 218 | D44 | 1953 | 230 | T172 | '50 1/2 T | |
| P24 | 1953 | 218 | D46, 47 | 1953 | 230 | T174 | '50 3/4 T | |
| P25 | 1954 | Early 218 Late 230 |
D50,53 | 1954 | 230 | T176 | '50 1T | Usually 230 ci |
| P26 | 1955 | 230 | D56 | 1955 | 230 | T306 | '51-'53 1/2 T | |
| P28 | 1956 | 230 | T308 | '51-53 3/4 T | ||||
| P30 | 1957 | 230 | T310 | '51-'53 1T | Usually 230 ci | |||
| T314 | '51-'52 1-1/2T | 237 ci | ||||||
| T314 | '53 1-1/2 T | 251 ci | ||||||
| T335 | '55 Truck | 250 ci | ||||||
| T245 | M37 Military Family Trucks | 230 ci | ||||||
| Cooling Information | |
| Standard Thermostat | 160 degrees, optional 180 degrees |
| Capacity | 15 Quarts |
| Radiator Cap | Non pressure |
| Battery Information | |
| 1946-48 Factory Specifications | 100 at 20 hours discharge rate, 15 plate |
| Modern Equivalents |
Wet Cell: 685 CCA or 785 CCA. Dry Cell: Optima 850 CCA |
| Cold Cranking Amps (CCA) are measured at 0 degrees F. Cold Amps (CA) are determined at 32 degrees F. |
|
| For additional battery info check Antique
Auto Battery and P15-D25.Com Enhancements Section |
|
| Fluid Capacity Information | |
| Engine Oil | 5 quarts |
| Fuel Tank | 17 Gallons |
| Rear Axle | 3-1/4 pints |
| Transmission | 2-3/4 pints |
| Fluid Drive | |
Light Bulb Reference Information
| Application | Lamp Type | Candle Power | Size (inches) | Mazada # | Mopar # |
| Hi Beam Directional Signal Indicator Plymouth Clock |
Miniature Bayonet | 1 | 15/16 | 51 | 115273 |
| Instrument Lights Speedometer Light Dodge Clock |
Miniature Bayonet | 2 - 3.7 | 1-1/16 | 55 ** | 125588 |
| Tail Light Rear License Light Front Parking Light |
Single Contact Bayonet | 3 | 1-7/16 | 63 | 142303 |
| Reading Light | Single Contact Bayonet | 15 | 2 | 87 | 142304 |
| Stop Light | Single Contact Bayonet | 21 | 1-1/4 | 1129 | 142308 |
| Front Directional Rear Directional Map Light |
Double Contact Bayonet | 3 & 21 | 2-1/4 | 1158 | 142449 |
**# 81 bulb with 6 candle power may provide better results in some
applications. Check for potential heat damage before switching from a # 55
to a # 81 bulb.
Download
Mopar Lamp & Sealed Beam information including lamp
outlines in Acrobat PDF format.
(High resolution grayscale document, 425K Download)
Bibliography
Plymouth Service Manual, 1946-1954
Plymouth Passenger Car Parts List
Dodge Passenger Car Shop Manual, Codes D-19, D-22, D-24
Dodge Passenger Car Parts List
Mopar Streamliner Quick Reference List, a parts catalog
The inside story of your new Plymouth
Chiltons Auto Repair Manual, 1940 - 1953
Stockel Auto Service and Repair
Plymouth and Chrysler Built Cars Complete Owner's Handbook of Repair and
Maintenance, Clymer Publications
The Plymouth Bulletin including: Painting Details of the P-15, by Ron
Kline, The Fabulous P-15: What’s New Since 42?, by William Leonhardt, The
1946-1949 P15 Plymouth: What a Car! by Frank Marescalco, The Fabulous P
15, by Bill Leonhardt
Plymouth," Automobile Quarterly, Vol. 23. No. 2, Second Quarter, 1985.
Illustrated Plymouth and Desoto Buyers Guide, by Jim Benjaminson,
Motorbooks International
Plymouth 1946-1959, by Jim Benjaminson, Motorbooks International.
Hollander Interchange, 1946 -1956
The Standard Catalog of American Cars, 1946-1975, Krause Publications
Hemmings Motor News, www.Hemmings.com
Standard Guide to Automotive Restoration, Matt Joseph.
Classic Auto Restorer: The How-to Guide for Car & Truck Enthusiasts,
888-333-0436