Do you have a 67 barracuda 383 7 blade fan picture?

I believe the original fan was a 213 which was a 1 3/4 pitch fan. The 224 is 2 1/2 pitch fan I believe. Depends on what options it came with. If its like a big block dart and is common to all a bodies it was not available with air conditioning and power steering.

CORRECTION
above stated is wrong, original fan is a 202 or 203, one year only fan that uses no fluid/thermal drive unit. furthermore a 213 is a 1.5 inch pitch fan and the 224 is a 2 inch pitch fan.