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Engine Specific Tech
94-95 5.0 - Specific
Heads enough for 347?
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<blockquote data-quote="tooslow" data-source="post: 849801" data-attributes="member: 9239"><p>false. the TW heads use a shorter port, so they have a larger cross section then their size indicates. the 170's cross section is more similar to a AFR 185 ect.</p><p></p><p>Air flow of each is still debated everywhere. AFR uses a 4.125" bore when publishing flow numbers, keep that in mind. The 165 flows more then the 170 when the 170 has a 4" bore and the 165 has a 4.125" bore, but what happens when both use a 4" bore?</p><p></p><p>TW 170 ~ AFR 185</p></blockquote><p></p>
[QUOTE="tooslow, post: 849801, member: 9239"] false. the TW heads use a shorter port, so they have a larger cross section then their size indicates. the 170's cross section is more similar to a AFR 185 ect. Air flow of each is still debated everywhere. AFR uses a 4.125" bore when publishing flow numbers, keep that in mind. The 165 flows more then the 170 when the 170 has a 4" bore and the 165 has a 4.125" bore, but what happens when both use a 4" bore? TW 170 ~ AFR 185 [/QUOTE]
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Heads enough for 347?
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