I am with Tom on this one. The Edelbrock intake jams the two carbs. together in the center of the manifold and makes it nearly impossible to get an air cleaner on it. Unless you use their own, goofy cheap looking junk. The Offenhauser manifold looks lousy at first glance and with it's tiny runners you would swear it couldn't support 400 HP. But you would be wrong. I am building an engine for a 62 Catalina right now and expect to make no less than 525 HP with one of these manifolds and a pair of clone SD-421 Carbs. The best possible manifold IMO will be the replica bathtub intake Tom is working on right now. I will switch to it when available and expect to gain another 20 HP or so with it. Plus the looks are nearly priceless. What are you putting your set-up on?
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