TBI intake manifolds

[Dieselsj]

Even GM wasn't above using an adapter to run TBI. The early Big block TBI trucks used a water heated adapter on a carbureted TBI manifold.

If it runs well, stay with it!

This right here.

My 87 7.4 used an adapter on a factory spreadbore intake. I went to an Edelbrock 7.4 TBI intake and really wasn't happy with it. I went back to a 4-bbl intake with the adapter and it seems to like it a lot more.