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The engine number (the last eight numbers of the vehicle identification number) is stamped on the engine block, transmission and frame.
With a standard transmission, TDC. With an automatic transmission, 2 1/2 BTDC.
If the engine has been changed to one that is different than was installed by the factory it is no longer a numbers matching car.
The numbers stamped in front of the head are the engine id numbers.
According to the owner's manual : The engine number is the last eight numbers of the vehicle identification # (VIN) It is also stamped on the engine block, transmission, frame, and transfer case if 4x4 . ( Helpfull )
The number is stamped on the back of the engine behind the driver side head on a flat deck were the transmission bolts up to the engine. You can see the "casting number" with an inspection mirror. On some later model engines the last 3 numbers are stamped between the freeze plugs on the side of the engine.
the 383 magnum engine roadrunner in 1969 had 335 horse, the 1968 383 roadrunner had 325 horse.
if they are the no.'s on a pad in front of the left head, they are the engine no.
Engine numbers on a slant 6 are stamped on the top of the block that protrudes from under the head below #1 spark plug.
there should be a numbered stamped on the rear of the engine
what is the firing order for a 1970 Plymouth roadrunner with a 383 engine
Stamped on the engine block (passenger side) just above the transmission bell housing.