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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: 13377845" data-attributes="member: 130159"><p><a href="http://www.mustang50magazine.com/techarticles/m5lp_1207_coyote_5_0_engine/photo_15.html" target="_blank">M5lp 1207 015 Coyote 5 0 Engine Photo 15</a></p><p></p><p></p><p>the originals did not have the removed step of material at the bung that the new cj manifold has. the big difference between this and boss is the bung area thickness and tb size. not sure when the entire bottom segment of material was removed but that is obviously making some power.</p><p></p><p>PS most of the manifold weld line mis-match is in the outboard runner - there is almost no laminar flow in that area think of the engine sucking in air and it follows the inboard edge of the runners... that's why ford left that flange in on the stock and boss intakes, and now it seems on the cj intakes.</p></blockquote><p></p>
[QUOTE="twistedneck, post: 13377845, member: 130159"] [url=http://www.mustang50magazine.com/techarticles/m5lp_1207_coyote_5_0_engine/photo_15.html]M5lp 1207 015 Coyote 5 0 Engine Photo 15[/url] the originals did not have the removed step of material at the bung that the new cj manifold has. the big difference between this and boss is the bung area thickness and tb size. not sure when the entire bottom segment of material was removed but that is obviously making some power. PS most of the manifold weld line mis-match is in the outboard runner - there is almost no laminar flow in that area think of the engine sucking in air and it follows the inboard edge of the runners... that's why ford left that flange in on the stock and boss intakes, and now it seems on the cj intakes. [/QUOTE]
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Cobra Jet manifold reworking
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