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4v Head Comparison
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<blockquote data-quote="CobraSwappedV6" data-source="post: 16403899" data-attributes="member: 197809"><p><a href="http://www.mustangandfords.com/parts/m5lp-0412-ford-four-valve-head-information-guide" target="_blank">Ford Four-Valve Head Information Guide - 5.0 Mustang & Super Fords</a></p><p></p><p>Here is the link to that article, the c heads are much different than the B heads in design. I know many performance shops and builders use B and 03 heads instead of the C heads. </p><p></p><p>As for the flow I think this quote might explain it, "A design downfall of C heads, and their larger (5.4 Navigator) cousins, is the relatively flat floor and utter lack of a short-turn radius in the throat of the intake port. As such, the incoming air tends to overshoot the valves, making the port "think" the valves are smaller than they actually are."</p></blockquote><p></p>
[QUOTE="CobraSwappedV6, post: 16403899, member: 197809"] [URL="http://www.mustangandfords.com/parts/m5lp-0412-ford-four-valve-head-information-guide"]Ford Four-Valve Head Information Guide - 5.0 Mustang & Super Fords[/URL] Here is the link to that article, the c heads are much different than the B heads in design. I know many performance shops and builders use B and 03 heads instead of the C heads. As for the flow I think this quote might explain it, "A design downfall of C heads, and their larger (5.4 Navigator) cousins, is the relatively flat floor and utter lack of a short-turn radius in the throat of the intake port. As such, the incoming air tends to overshoot the valves, making the port "think" the valves are smaller than they actually are." [/QUOTE]
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