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<blockquote data-quote="Gumby" data-source="post: 1927850" data-attributes="member: 65674"><p>I am not sure what all of this means. And I mean that as that.</p><p>Background on this discussion Accrost 2 different threads between FTO and myself.</p><p>FTO said 6.2 boat anchor blah blah blah cylinder heads are all choked up blah blah blah.</p><p>This made me wonder???? Well what do they flow? and thought what dose the 3.5 flow?</p><p>HE (FTO) was not happy that the only flow numbers I could find for the 3.5 were software flow # and I will give him that not really that accurate. Tons of calls later..... I get someone who has had the 3.5 head on a bench.</p><p>Here are the real numbers all in one place. all the # are @ .450 Stock Heads.</p><p>3.5 gen1 254/188</p><p>3.5 gen2 296/204</p><p>6.2 278/177</p><p>6.2 @ .550 305/191</p><p>In true FTO fashion he wants to say well you blah blah blah blah boosted blah blah blah blah.</p><p>These are the numbers. The 3.5 breath better YES a ton better NOPE Is the 6.2 choked up that depends on what you compare it too. Ls and Hemi. YES way choked up but in that comparison so is the 3.5 but that is entirely different conversation. Not to be had here!!</p><p>With all that said A port job on the gen2 3.5 will yield you a very small gain. 15/20 CFM. A port job on a 6.2 wlll give you a pretty good gain.35/45 CFM</p><p>Those numbers look like this.</p><p>3.5 311/224</p><p>6.2 313/222</p></blockquote><p></p>
[QUOTE="Gumby, post: 1927850, member: 65674"] I am not sure what all of this means. And I mean that as that. Background on this discussion Accrost 2 different threads between FTO and myself. FTO said 6.2 boat anchor blah blah blah cylinder heads are all choked up blah blah blah. This made me wonder???? Well what do they flow? and thought what dose the 3.5 flow? HE (FTO) was not happy that the only flow numbers I could find for the 3.5 were software flow # and I will give him that not really that accurate. Tons of calls later..... I get someone who has had the 3.5 head on a bench. Here are the real numbers all in one place. all the # are @ .450 Stock Heads. 3.5 gen1 254/188 3.5 gen2 296/204 6.2 278/177 6.2 @ .550 305/191 In true FTO fashion he wants to say well you blah blah blah blah boosted blah blah blah blah. These are the numbers. The 3.5 breath better YES a ton better NOPE Is the 6.2 choked up that depends on what you compare it too. Ls and Hemi. YES way choked up but in that comparison so is the 3.5 but that is entirely different conversation. Not to be had here!! With all that said A port job on the gen2 3.5 will yield you a very small gain. 15/20 CFM. A port job on a 6.2 wlll give you a pretty good gain.35/45 CFM Those numbers look like this. 3.5 311/224 6.2 313/222 [/QUOTE]
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