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oldkimmer said

Is an Indy SR head enough to feed it. Heads are ported some but I don’t have any flow numbers. 11.-1 compression. .650 lift solid roller cam. Victor intake and a Pro Systems 1000 4150 style carb. This will likely end up in my 74 duster race car. I do have a set of Procomp Victor knockoffs that are CNC ported. And a set of Mopar Stage 6s that are ported as well. No numbers on them either but on a mild 470 stroker they made 655 hp and 620 tq. If I were to use the stage 6s I would need intake spacers or find the rare Mopar intake for them. Thanks. Kim

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All depends on how much power you are trying to make but one thing I can guarantee is that SR heads will make more power than the Victor intake and a 4150 carb. Are these standard port SR heads or is that a Super Victor??

If they are standard port SR heads with a cast Victor intake and a generic solid roller cam then you'll probably make 600 to 650 hp. If you want to make more power than that then you'll need to start working on the parts. Personally I'd sell the Procomp and Stage VI heads and use the money to get your SR heads professionally ported. Have the intake ported at the same time. This assumes that you want to make 700+ hp which you didn't say.