1973 340, want more power.
Richard McLaughlin said
650 holly, not sure on I take.
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Your intake is a factory cast. I'd want a 750 dp Holley. Sell the 650. Looks like it's a 650 spreadbore. To match the square bore carb, I'd get a square bore aluminum intake. The Edelbrock RPM is a good one, but not the only one that would work.
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