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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Turbo outlets: SPD vs AMS
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<blockquote data-quote="zombiekiller" data-source="post: 1641129" data-attributes="member: 25186"><p>you do realize that there is a lot more to turbo efficiency than " move more air through a bigger tube", correct? </p><p></p><p>for forced induction, in particular turbos, you need to pick up CFM AND velocity. </p><p></p><p>your example would only be picking up CFM. </p><p></p><p>The pump needs to create MORE pressure to maintain velocity when the "hose" gets larger. ( or you need a bigger pump)</p><p></p><p>If it doesn't, you'll actually lose power. </p><p></p><p>Most modern turbos need a specific backpressure target to maintain efficiency.</p></blockquote><p></p>
[QUOTE="zombiekiller, post: 1641129, member: 25186"] you do realize that there is a lot more to turbo efficiency than " move more air through a bigger tube", correct? for forced induction, in particular turbos, you need to pick up CFM AND velocity. your example would only be picking up CFM. The pump needs to create MORE pressure to maintain velocity when the "hose" gets larger. ( or you need a bigger pump) If it doesn't, you'll actually lose power. Most modern turbos need a specific backpressure target to maintain efficiency. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Turbo outlets: SPD vs AMS
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