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2011-2014 Mustangs
Engine/Tuning
Dual 67mm VMP or CFM tb on a Cobra Jet mani?
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<blockquote data-quote="Sean@LethalPerformance" data-source="post: 14258352" data-attributes="member: 142054"><p>Question going out to any cobra jet users who are using or know anything about these tb's. Or if the manufacturers can chime in would be great too </p><p></p><p>So these two different units, VMP and CFM performance look very</p><p>much alike and they both look like they can suck up a small animal. Everywhere I look it says the VMP is specific to the 07-14 gt500, don't see anything hinting compatibility coyote/roadrunner running cj manifold.. While CFM performance has a package selling their twin bore TB with the CJ manifold, </p><p></p><p>Link to CFM TB/cj package here:</p><p><a href="http://www.c-f-m.com/performanceparts/pc/CFM-Performance-Twin-67mm-Throttle-Body-Ford-Racing-Cobra-Jet-Intake-Manifold-for-2011-2014-Mustang-GT-Boss-302-p4628.htm#.U7ECPXm9LTo" target="_blank">http://www.c-f-m.com/performanceparts/pc/CFM-Performance-Twin-67mm-Throttle-Body-Ford-Racing-Cobra-Jet-Intake-Manifold-for-2011-2014-Mustang-GT-Boss-302-p4628.htm#.U7ECPXm9LTo</a></p><p></p><p>VMP claims it flows within 50 cfm of the frpp monoblade's 1800cfm.. Not sure on the CFM, but I'd assume it's a similar figure to the vmp figure. The twin 67 also drives closer to the 65 as opposed to tepid drivability of the monoblade. </p><p></p><p>So bottom line, does anyone have experience with either of these dual 67's on a coyote, and if their compatible it's how does it perform? And if I'm running a 65mm twin now would I have to have a retune. Because it looks like Shelby guys going from a 65 to a 67 don't require one, just PnP. </p><p></p><p>Thanks in advance guys</p></blockquote><p></p>
[QUOTE="Sean@LethalPerformance, post: 14258352, member: 142054"] Question going out to any cobra jet users who are using or know anything about these tb's. Or if the manufacturers can chime in would be great too So these two different units, VMP and CFM performance look very much alike and they both look like they can suck up a small animal. Everywhere I look it says the VMP is specific to the 07-14 gt500, don't see anything hinting compatibility coyote/roadrunner running cj manifold.. While CFM performance has a package selling their twin bore TB with the CJ manifold, Link to CFM TB/cj package here: [url]http://www.c-f-m.com/performanceparts/pc/CFM-Performance-Twin-67mm-Throttle-Body-Ford-Racing-Cobra-Jet-Intake-Manifold-for-2011-2014-Mustang-GT-Boss-302-p4628.htm#.U7ECPXm9LTo[/url] VMP claims it flows within 50 cfm of the frpp monoblade's 1800cfm.. Not sure on the CFM, but I'd assume it's a similar figure to the vmp figure. The twin 67 also drives closer to the 65 as opposed to tepid drivability of the monoblade. So bottom line, does anyone have experience with either of these dual 67's on a coyote, and if their compatible it's how does it perform? And if I'm running a 65mm twin now would I have to have a retune. Because it looks like Shelby guys going from a 65 to a 67 don't require one, just PnP. Thanks in advance guys [/QUOTE]
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Dual 67mm VMP or CFM tb on a Cobra Jet mani?
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