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1 5/8” headers and 500hp?

General engine tech -- Drag Racing to Circle Track

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learner1
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Re: 1 5/8” headers and 500hp?

Post by learner1 »

Tom Walker » Thu Aug 27, 2020 10:51 pm
Maybe we get the very best header for our application and now we need to re cam the engine to take advantage of the new exhaust efficiency, now the new cam might benefit from a change in the intake port area, which requires some carb massaging which might lead to some timing finessing which might lead to a header change, which might lead to any and everything. The envelope constantly gets improved and progresses. Just time and money I guess, it makes the world go around.

Yes! Just as modifications of the intake port require cam changes modification of the exhaust also requires cam changes.
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