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The casting numbers on the block of a Ford engine help identify the specific engine. The numbers are often useful in mating cylinder heads, determining when and where the block was manufactured and into which mode of Ford it was installed. Locating the casting number is relatively easy if youre physically fit and have some dexterity. The casting number must be decoded to understand the information it contains.
Step 1
Angle your inspection mirror underneath the back side of the engine block, where the starter mounts to the engine. Depending on your physical size -- and the specific year, make and model of your Ford -- observation is possible from the top of the engine well. Another option is jack up the Ford up, support it on two jack stands and look for the numbers from beneath the vehicle.
Step 2
Shine your flashlight on the inspection mirror. Illuminate the section of the block where Ford stamped the casting number. This is directly beside the starter mount, where the starter motor bolts to the engine.
Write down the casting number down with pen and paper.
Tip
- Shop manuals and aftermarket repair manuals often contain engine casting number decoders. A number of internet websites offer free, casting-number decoding software
Items you will need
- Inspection mirror
- Floor jack (optional)
- 2 Jack stands (optional)
- Flashlight
- Pen and paper
