Re: 59AB - Headers vs stock exhaust manifolds?
I like headers on a flathead, but not for performance. With this engine's torturous exhaust routing through the block, I doubt headers increase power at all, but I like them because they can clean up the exhaust routing and I imagine they also help get heat out of the engine/engine compartment. Headers can also save a good bit of weight compared to cast-iron manifolds.
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