what is a ....
Modular engines in the ford meaning is that the engine components are made to fit on more than one particular engine. Interchanagable heads, ETC.
"regular" engines used to have very specific components. A head from one type of engine even though it was the same size would not always fit onto another type.
"regular" engines used to have very specific components. A head from one type of engine even though it was the same size would not always fit onto another type.


