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The Terminator
Terminator Talk
Header size for high hp whipple cobra
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<blockquote data-quote="Jimmysidecarr" data-source="post: 9651623" data-attributes="member: 11681"><p>A very small step where the exhaust port meets the header flange will <strong>reduce exhaust reversion.</strong> Port matching, at least on these engines, is over rated IMHO.</p><p></p><p>The exhaust flange should be slightly larger than the exhaust port.</p><p>The intake port on the head should be slightly larger than the port on the intake manifold.</p><p></p><p>These heads are so beyond the heads of old, a lot of those power finding tricks like port matching, don't do much on ports as big and as nicely shaped as these are.</p></blockquote><p></p>
[QUOTE="Jimmysidecarr, post: 9651623, member: 11681"] A very small step where the exhaust port meets the header flange will [B]reduce exhaust reversion.[/B] Port matching, at least on these engines, is over rated IMHO. The exhaust flange should be slightly larger than the exhaust port. The intake port on the head should be slightly larger than the port on the intake manifold. These heads are so beyond the heads of old, a lot of those power finding tricks like port matching, don't do much on ports as big and as nicely shaped as these are. [/QUOTE]
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Header size for high hp whipple cobra
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