Intake manifold, 6.0 vs 6.4 CFM. - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 44 Old 03-28-2013, 02:45 PM Thread Starter
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Intake manifold, 6.0 vs 6.4 CFM.

Has anyone ever CFM flowed a stock 6.0 intake against a 6.4 intake?


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2004 F350 CC DRW King Ranch
X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
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post #2 of 44 Old 04-04-2013, 07:08 PM
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not me, but is the 6.4 a direct bolt on to the 6.0?

I have searched, but haven't found a thread dealing with how to sub a 6.4 manifold. I have read that users of the 6.4 manifold are getting good results.

Sorry, I don't mean to derail your thread. Just thought this might be a place to get a quick answer from others who know.

Thanks.

Keith

2006 F250 ext cab, short box, 4x4 auto
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post #3 of 44 Old 04-04-2013, 07:23 PM Thread Starter
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It bolts on, but needs to be modified. Like a alternator bracket, and plug the 6.0 front cover where the 6.0 manifold return coolant. Also on the 6.4 manifold there is a bolt mount that needs to be removed in order for the 6.0 to retain the oil filter housing. Then you would need to fabricate a new elbow and cold side CAC pipe.


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post #4 of 44 Old 04-04-2013, 07:24 PM
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6.4 is not even close to bolt on... doesnt clear front cover without mods, needs custom cac tube, and alt bracket. if you want send me a pm and i can get you in the right direction.

2004.5 Mods: CTS, Lots Of Gauges, 7 inch Stack, ARP Studs, Tuned by Eric, SAP Diesel Full Fuel System, WEP Ported Intake Manifold, Mechman Alt, BPD 6 Phase Ficm, BPD Oil Cooler, BPD Oil Bypass, Warren 350cc conventionals, SAP Diesel/Warren Diesel Twin Pump Kit, SAP Diesel Triple Turbos and SAP Diesel Trans in Progress.

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post #5 of 44 Old 04-04-2013, 07:36 PM Thread Starter
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Good catch Gary, on the drivers side runner, the runner will hit by the thermostat housing.


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post #6 of 44 Old 04-04-2013, 07:48 PM
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Quote:
Originally Posted by Lilpooh View Post
Has anyone ever CFM flowed a stock 6.0 intake against a 6.4 intake?
To answer your Question Rich, if anyone has done a side by side flow comparison, I bet Elite Diesel has. I would love to hear the flow numbers if they'd cough em up.

Either way though, to answer the next guy's question, there is A LOT that goes into making a 6.4 manifold able to bolt on and run on a 6.0. Now this isn't to say it isn't worth it or anything as it most certainly may be (depending on the truck owner). It is my opinion, that a fully ported 6.4 intake manifold is the best flowing intake mod for a 6.0. I think the only thing that might flow more is a tunnel ram system. But then you can't get a turbo in the valley. I know if I was going through all the trouble to convert a 6.4 intake manifold to bolt onto a 6.0, I would most certainly port it out. It may flow more in stock form than a stock 6.0 manifold, but I doubt stock form flows more than a ported 6.0 manifold like a gogo. Just my opinion of course.

Nate
2006 F350 (BACKYARDIGAN) - 67mm Turbo, 215/85 injectors, WPE intake manifold, NB/Warren Trans, and more stuff that I don't care to mention....
2006 F250 (LITTLE DURTY) - WPE Manifold, Up-pipes, EGR delete kit, and Tuned By ME
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post #7 of 44 Old 04-04-2013, 07:53 PM Thread Starter
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RCD sells a ported 6.4 for $600.


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2004 F350 CC DRW King Ranch
X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
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post #8 of 44 Old 04-04-2013, 08:04 PM Thread Starter
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I would like to see if a stock 6.4 intake can drop EGT by 75-100. Even if its not a performance part for those running big injectors and turbo, the idea would be for for average modded 6.0 (tuner and exhaust).


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post #9 of 44 Old 04-04-2013, 08:10 PM
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Bryan seen a 150 degree drop with the 6.4 intake conversion

2004.5 Mods: CTS, Lots Of Gauges, 7 inch Stack, ARP Studs, Tuned by Eric, SAP Diesel Full Fuel System, WEP Ported Intake Manifold, Mechman Alt, BPD 6 Phase Ficm, BPD Oil Cooler, BPD Oil Bypass, Warren 350cc conventionals, SAP Diesel/Warren Diesel Twin Pump Kit, SAP Diesel Triple Turbos and SAP Diesel Trans in Progress.

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post #10 of 44 Old 04-04-2013, 08:15 PM
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It really comes down to how easy you can make everything work. Not saying my attempt is the end all be all attempt, but I found that I had almost the same amount of time into doing everything on a 6.4 manifold just to get it to bolt onto a 6.0 motor as I had into just porting the 6.0 manifold in the first place. It really isn't just as easy as it seems. The alternator bracket is part of the puzzle. It's not hard to do if you have a jig for welding or a form for machining. But the IAT and MAP sensor bungs must be relocated as they will interfer with the alternator and hot side CAC tube and fabbing up the intake elbow and cold side CAC take time too. I guess it's all in what the end user wants. I'm just saying that from the manifolds that I have ported and worked on, the 6.0 is actually quicker to port than to modify the 6.4 manifold to fit the 6.0 and if one is going to go through the trouble of modifying everything to get it to work. You might as well do all the porting and patching you can to get the most flow possible. Hope this makes sense. Just sharing my experience here with the 6 or so manifolds that I have experimented with to see what is the best bang for the buck.

On edit: The RCD 6.4 manifold is only partially ported. It does remove the posts in the center of the flow though. The porting they do is VERY simple and easy to do and is really all a 6.4 manifold needs. I started out with the 6.4 manifold doing that to it, but then I go carried away and did some other stuff.

Nate
2006 F350 (BACKYARDIGAN) - 67mm Turbo, 215/85 injectors, WPE intake manifold, NB/Warren Trans, and more stuff that I don't care to mention....
2006 F250 (LITTLE DURTY) - WPE Manifold, Up-pipes, EGR delete kit, and Tuned By ME
BULLET PROOF DIESEL 1-888-967-6653
KC TUROS - Not just a modified Powermax...

WINDRUNNER PERFORMANCE ENGINEERING
WWW.WPEDIESEL.COM

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