Lincoln or Merc Motor?

Scott Brownell

Senior Member
I acquired a old motor this weekend and I don't know what it is, a Merc or a Lincoln. Help me! I am a very novice at these things. V-8, 2 barrel, block numbers are EAM6015A(on top and on the pass side). Intake # are EAM 8425A(or could be EAM9425A), exhaust # are EAM 9430-D, Head # are 5AM60680 on inside valve covers also the is a 40E on the heads and a 8A. What do I have? Came out of a 51 F-8 that someone had put in there. Oil bath air cleaner and motor is all complete. If you can help me please do. Thanks Scott:)
 
If the intake runners are stacked one above the other it's a Ford/Merc y-block. The runners on the Lincoln y-block are side by side in the conventional manner.
 
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