I have a Ford Y block exhaust manifold that starts ECU.  In checking the information I find this is supposed to be from a 1955 Lincoln, but the Lincoln uses a staggered bolt pattern and this is straight like the Ford Y block manifold and looks exactly like the Ford and not the Lincoln.  Does anyone have any information as to year and model?  It is definitely a left manifold.

What is the rest of the number? Suffix?  Any other numbers such as a date?  Joe-JDC

JDC

Are you sure the PREFIX is ECU?

ECU identifies as a 56/57 LYB 368

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My guess if the casting number is ECJ, not ECU.

John - "The Hoosier Hurricane"

Thanks, I will look at it again,  It is definitely a Ford bolt pattern, NOT Lincoln.