i believe you need to keep the aluminum manifold with the aluminum heads. passages on the aluminum intake are smaller and you'll likely have less volume and a port mismatch if you try to use them with the iron heads.
hold the intake up next to the head and compare port locations and sizes, you should be able to see the difference.
The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
Vladimir Lenin
Government schooling is about "the perfect organization of the hive."
H.H. Goddard, Human Efficiency (1920)
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