How do I identify a 302 crankshaft?
The 302 castiron crankshaft with a 3.000-inch stroke and 2.249-inch main journals is identified by a “2M” on the first counterweight/journal. It is not interchangeable with 221, 260, or 289 rods unless you use a custom piston because it employs a slightly shorter (5.090-inch) connecting rod.
How do I decode a Ford casting number?
In order, here is what each digit in a Ford part or casting number represents:
- DIGIT #1—DECADE OF MANUFACTURE: A – 1940.
- DIGIT #2—YEAR OF THE DECADE:
- DIGIT #3—CAR LINE:
- DIGIT #4—ENGINEERING OFFICE RESPONSIBLE FOR ORIGINAL DESIGN:
- DIGITS #5-9—BASIC PART NUMBER:
- DIGITS #10-12 (SUFFIX)—DESIGN CHANGE:
- TYPICAL DATE CODE:
How do I identify a Ford 302 engine?
How to Identify Engine Year for a Ford 302
- Open the hood of your Ford.
- Locate the casting numbers on your engine block by checking above the starter on the right hand side of the block.
- Be aware that the casting number is a four digit alphanumeric code, followed by a dash and another four-digit number.
How do I check my crankshaft?
A simple way to identify them is by checking the parting line. This line was a result of the two halves of the crankshaft mold that produced the crankshaft itself. ON a nodular iron unit this line is about 1/32-inch wide and is raised above the surface.
How do you tell the difference between a Ford 302 and a 351?
The 351 blocks were as much as 1.300 in. taller to allow for a longer Stroke . You can spot the difference pretty easily by looking at the front of the engine. On a 302 (or smaller c.i.d.) blocks, the distributor mount is almost flush with the top of the block (where the intake sits).
How can you tell if a crankshaft is forged or cast?
The best and most sure method for recognizing a forged crank is to look for the parting lines on the counterweights. A forged piece will have a wide, irregular rough patch. A cast component (shown) will have a very sharp, well-defined line where the mold was separated.
How much HP can a forged crank handle?
That’s why forged cranks cost three to four times more than cast cranks, but the trade-off is a dramatic increase in strength. A typical small-block cast crank is good up to 500 hp, while a 4340 forging can take 1,500 hp.
When did the Ford 302 casting number come out?
Ford casting numbers always start with a letter for “Decade,” according to Classicmustang.com. A Ford 302 engine can trace its roots to 1962 when it was first introduced in a Ford Fairlane. It remained in production till the mid 1990s.
What kind of crankshaft does a Ford 302 have?
Care must be exercised in this regard because it is easy to fake a 289 High Performance crankshaft by simply adding the “K” or Brinell test mark to a standard crankshaft. The 302’s cast-iron crankshaft, first available in 1968, is identified with a “2M” cast into the forward-most counterweight.
Is the Boss 302 crankshaft interchangeable with 221 and 260?
The 2M crank is not interchangeable with the 221, 260, and 289 connecting rods and pistons. The Boss 302 crankshaft mentioned earlier can be identified by its forged steel design. It can also be identified by either a D0ZE-A or TFE-8 marking on the crankshaft journal.
What is the casting code for a Ford engine?
Ford’s part number convention generally follows the format of a four digit casting code, followed by a four digit basic part number, which will be “6015” for an engine block, followed by the revision version.