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Power Strokes
6.4 Aftermarket
Cylinder heads: Ported vs Stock?
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[QUOTE="derrick36, post: 119905, member: 1563"] If the answer has already been posted somewhere, I apologize in advance. I just don't recall anyone addressing my question. I thought there were a couple different vendors that offered cylinder head porting services, but Elite seems to be the only one who has posted info. I've seen their CFM increases posted on the boards and in Diesel Power but I have never seen any definitive numbers posted as to what those increased numbers do for HP/TRQ figures, track times, spool up times, etc. I'm guessing the answer is "no" but does anyone have any experience or knowledge of what kind of increases are made with Elite's(or anyone else's)ported heads vs. stock? The combo doesn't really matter because there are so different ways to skin a cat, but if there is anyone out there that has done any dynoing, spent time at the track before and after installing ported heads, it would be nice to hear what kind of increases(if any)there were. Of if there is anyone who knows how much is left on the table if a person doesn't opt for ported heads with their combo, that would would work as well. I may be asking for the impossible but I figured it'd be worth a shot. [/QUOTE]
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