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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Cobra Jet manifold reworking
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<blockquote data-quote="twistedneck" data-source="post: 13950199" data-attributes="member: 130159"><p>JohnRichard that setup looks amazing... i'm convinced this intake is light-years ahead of the boss, and porting it makes it that much better.</p><p></p><p>Just put my setup together and got it on the dyno, its makng big power but there is a small issue - new combo is cj intake / scj tb / 01bluesnake custom CAI.</p><p></p><p>Although my new numbers uncorrected - 468 hp / 407 tq are a huge step up from the boss im / 85mm tb / jlt of 440 HP / 372 TQ, there is a huge flat spot at 6300-6900 rpm now. looks like there is a lot of gains not realized up top, any ideas? does anyone else have a dyno curve like this with the cj mani?</p><p></p><p>Shaun has the air fuel dialed in, but due to my not being anywhere near California we are not doing as much with the vct tune optimization - I left that same as it was before with the old boss intake setup - there was no flat spot with that intake tho.</p><p></p><p><img src="http://checkja.com/images/dyno3.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>here is an overlay of the old boss intake setup vs the new cj setup. I manually cut and pasted so its not exact but you can at least see the curve shapes. also, i'm on e85 now that was a 0HP gain (we checked). more for safety so the af looks different.</p><p></p><p><img src="http://checkja.com/images/overlay.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://checkja.com/images/drew-cai.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>dyno run with numbers at the end.</p><p></p><p><a href="http://www.youtube.com/watch?v=AJ2pen1Weck" target="_blank">5 0L Making Power NA Style! - YouTube</a></p></blockquote><p></p>
[QUOTE="twistedneck, post: 13950199, member: 130159"] JohnRichard that setup looks amazing... i'm convinced this intake is light-years ahead of the boss, and porting it makes it that much better. Just put my setup together and got it on the dyno, its makng big power but there is a small issue - new combo is cj intake / scj tb / 01bluesnake custom CAI. Although my new numbers uncorrected - 468 hp / 407 tq are a huge step up from the boss im / 85mm tb / jlt of 440 HP / 372 TQ, there is a huge flat spot at 6300-6900 rpm now. looks like there is a lot of gains not realized up top, any ideas? does anyone else have a dyno curve like this with the cj mani? Shaun has the air fuel dialed in, but due to my not being anywhere near California we are not doing as much with the vct tune optimization - I left that same as it was before with the old boss intake setup - there was no flat spot with that intake tho. [IMG]http://checkja.com/images/dyno3.jpg[/IMG] here is an overlay of the old boss intake setup vs the new cj setup. I manually cut and pasted so its not exact but you can at least see the curve shapes. also, i'm on e85 now that was a 0HP gain (we checked). more for safety so the af looks different. [IMG]http://checkja.com/images/overlay.jpg[/IMG] [IMG]http://checkja.com/images/drew-cai.jpg[/IMG] dyno run with numbers at the end. [url=http://www.youtube.com/watch?v=AJ2pen1Weck]5 0L Making Power NA Style! - YouTube[/url] [/QUOTE]
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Cobra Jet manifold reworking
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