so i have a 390 in my73 truck and i am planning to rebuild the engine on of the things i want to do is put a four barrel carb on it, but i can't find an intake manifold for it. I don't know what compression pistons i should run ir it. I am looking at rebuild kits and none of them say what compression pistons they include and the kit also comes with the rv cam and the new springs for it. can any one help me with this thanks

 

Click on Jegs from the list of site sponsors and they should have a choice of manifolds.

 

Buy your Edelbrock intake manifold from Summit Racing. Also, they offer good tech support and at least one person there actually owns a Ford 390.

There are more then a few 390 built topics in the 67-72 Truck forum and 4x4 forum. Not to mention the FE & FT Big Block forum.