PROBLEM FORD HEADS ROMEO STYLE
RF-1L2E or RF-2C5E have a step.
Check the casting number if your vehicle is 2001 and newer.
If your vehicle is 2000 or earlier you do not have a step in your head
just skip the counterbore tool p/n 66255518 and start with the reamer tool.
If you are repairing a RF-1L2E or RF-2C5E head, this is a Romeo 2001 and up PI
Due to a countersink problem with the head design, a special counterbore tool
P/N 66255518 is needed to give the hole clearance for the repair.
Checking Casting number and location:
The most important part in the above casting number is the second set of digits
Location of casting number: This Casting number can be found just above the
If you use a digital camera or cell phone camera and take a picture you will
see the image correctly.
If looking down from the passenger side it should be located just below the oil dip stick.
If looking down from the driver side it should be located further back near the firewall.
If you use a mirror to see it from the top view note that the number will appear
You are just looking for the RF-1L2E start of the casting number.
Below is a Section view of problem:
The left picture "problem head 1L2E" will not allow the reamer to the correct location.
The p/n 6605553 kit includes a counterbore that will prepair the hole by cutting out the "extra step" of aluminum
not present in other ford heads.