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Old 01-13-2014, 01:31 PM   #9
Senior Member
Join Date: Jul 2013
Posts: 149
Default Re: Weird engine number: RF4504

Originally Posted by Bob C View Post
I think it stands for Richmond Ford, see the link.

Just looked at the link. There is a small diamond on the block above the timing cover. 12E6 casing date. So now that the mystery is I have anything good? Engine is supposed to run, but the head has a long crack in the top.
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