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2015+ S550 Mustangs
2015+ S550 Mustang Talk
Road & Track: Flat Crank 600hp 5.4 NA GT350
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<blockquote data-quote="swoosh_stang" data-source="post: 13340058" data-attributes="member: 46742"><p>I would expect a DI 5.4, coyote/roadrunner to be around 530 or so. </p><p></p><p>Start with the 444 hp boss engine</p><p>35 hp increase for displacement </p><p>38 hp for the compression increase that direct inject can gain (13:1 or so)</p><p>12 to 15 hp for the added rpm and tuning that direct injection can gain you.</p><p></p><p></p><p>I think 600 hp N/A out of 5.4 liters is a bit of a stretch.</p></blockquote><p></p>
[QUOTE="swoosh_stang, post: 13340058, member: 46742"] I would expect a DI 5.4, coyote/roadrunner to be around 530 or so. Start with the 444 hp boss engine 35 hp increase for displacement 38 hp for the compression increase that direct inject can gain (13:1 or so) 12 to 15 hp for the added rpm and tuning that direct injection can gain you. I think 600 hp N/A out of 5.4 liters is a bit of a stretch. [/QUOTE]
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Road & Track: Flat Crank 600hp 5.4 NA GT350
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