CFM + Small mouth or the Large Mouth ?? - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 8 Old 03-02-2009, 03:56 PM Thread Starter
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Exclamation CFM + Small mouth or the Large Mouth ??

Which would be good and what are some thoughts on the CFM + Large or small mouth ?

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post #2 of 8 Old 03-02-2009, 04:02 PM Thread Starter
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BUMP .....................

TRUCK WAS STOLEN NOW IS SOLD 2006 Lariat FX4 F-350
7" BDS Lift

SCT Xcal3 Tuned By Truck Source Diesel TSD with SPD !

Triple pod Auto Meters

4" MBRP Exhaust

Straight piped Turbo back

Zoodad Mod

325/65/18 13.50's MTZ

18x10 Mickey Thompson Bead Locks

A1 H11 Studs Head Bolts/Studded

EGR Deleted

Harley HeadLights

S&B Intake
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post #3 of 8 Old 03-02-2009, 04:04 PM
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i wish i wouldnt of bought my big mouth...worthless in my eyes except for the ports that are predrilled and tapped into it

08 ECSB 6.4
MPD, GOGO, No Limit, Rudys, ARP, PMF, Innovative, AFE, Recon, Fuel, Nitto, Bilstein
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post #4 of 8 Old 03-02-2009, 04:58 PM
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I'm planning on ordering the large mouth simply for the fact I'm gonna run a water/meth system then at sometime a nitrous stacked system... I found 2 good prices for the large mouth setup one at cyclonedieselperformance and XDP if you purchase this before me let me know what you think.



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post #5 of 8 Old 03-02-2009, 05:07 PM
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not worth it. i have the small mouth. didnt notice anything at all. if i hook my nitrous up, thats all its good for is the bung.

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post #6 of 8 Old 03-03-2009, 07:41 AM
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Listen to what these guys are telling you. I have the Largemouth with their pipe and there is NO SOTP difference noticeable. Plus the pipe has lots of fitment issues with aftermarket CAI's. Just drill and tap the stocker and save your money.
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post #7 of 8 Old 03-03-2009, 10:55 AM Thread Starter
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Thanks guys off to buy my Harley heads instead !!!!!!!!!!

TRUCK WAS STOLEN NOW IS SOLD 2006 Lariat FX4 F-350
7" BDS Lift

SCT Xcal3 Tuned By Truck Source Diesel TSD with SPD !

Triple pod Auto Meters

4" MBRP Exhaust

Straight piped Turbo back

Zoodad Mod

325/65/18 13.50's MTZ

18x10 Mickey Thompson Bead Locks

A1 H11 Studs Head Bolts/Studded

EGR Deleted

Harley HeadLights

S&B Intake
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post #8 of 8 Old 03-03-2009, 11:57 AM
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ill give my 2 cents..ive had both..the small mouth it nothing bigger then stock..its got the port in it...the large mouth comes with 3 ports and the bigger intercooler pipe. its alot bigger then stock and for the 05 and up guys it gets rid of that plastic crap. and for the 04-04 guys the cfm in general gets rid of the fake throttle body there.

all in all i didnt notice anything with the small mouth but with the large i could tell it was there.

-Evan

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Originally Posted by shu873 View Post
Yeah, but your trucks a freak of nature...
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