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HEMI HEADS OUT OF THE BOX #1133341 12/13/11 05:12 PM 12/13/11 05:12 PM
Joined: Nov 2010 Posts: 914 tn R robnbird OP super stock
robnbird OP super stock R Joined: Nov 2010 Posts: 914 tn	WHO HAS FLOW NUMBERS FOR HEMI HEADS OUT OF THE BOX. SOMEONE TOLD ME THE 426 HP HEAD WAS ABOUT 430 OUT OF THE BOX I FIND THAT A LITTLE TOUGH TO BELIEVE.

Re: HEMI HEADS OUT OF THE BOX [Re: robnbird] #1133342 12/13/11 05:18 PM 12/13/11 05:18 PM
Joined: Jan 2003 Posts: 13,362 Marion, South Carolina [><] an8sec70cuda I Live Here
an8sec70cuda I Live Here Joined: Jan 2003 Posts: 13,362 Marion, South Carolina [><]	Seems like I recall the MP aluminum hemi replacement heads flow around 330 cfm (int) out the box. I may be wrong on that though. My MP heads flowed 430 cfm after Modern Cyl. head got done CNC'ing them. CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax

Re: HEMI HEADS OUT OF THE BOX [Re: an8sec70cuda] #1133343 12/13/11 05:35 PM 12/13/11 05:35 PM
Joined: Nov 2010 Posts: 914 tn R robnbird OP super stock
robnbird OP super stock R Joined: Nov 2010 Posts: 914 tn	thanks I considered the mp but am leaning toward the stage five or the indy 426 hypo. but I would like to se some flow numbers.

Re: HEMI HEADS OUT OF THE BOX [Re: robnbird] #1133344 12/13/11 05:39 PM 12/13/11 05:39 PM
Joined: Jan 2011 Posts: 4,785 Utah and Alaska astjp2 master
astjp2 master Joined: Jan 2011 Posts: 4,785 Utah and Alaska	My stageV's flowed 367@.600, they only had a little bit of bowl blending when the valves were installed. Tim

Re: HEMI HEADS OUT OF THE BOX [Re: astjp2] #1133345 12/13/11 06:32 PM 12/13/11 06:32 PM
Joined: Nov 2010 Posts: 914 tn R robnbird OP super stock
robnbird OP super stock R Joined: Nov 2010 Posts: 914 tn	tim which stage 5 head was that and is that a head you use

Re: HEMI HEADS OUT OF THE BOX [Re: robnbird] #1133346 12/13/11 07:34 PM 12/13/11 07:34 PM
Joined: May 2004 Posts: 12,386 Taxes & Virus's R-US, NY Dragula I Live Here
Dragula I Live Here Joined: May 2004 Posts: 12,386 Taxes & Virus's R-US, NY	Indy 426-1's OOTB Intake Flow numbers out of the box were: 0.1 = 75cfm 0.2 = 130 0.3 = 201 0.4 = 271 0.5 = 333 0.6 = 362 0.7 = 366 0.8 = 371 '70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft) https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car) https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car) https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9) '66 Barracuda AWB Stretched nose Blown 440 Car in build stage '71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph https://www.youtube.com/watch?v=Znuo3jMUXTk

Re: HEMI HEADS OUT OF THE BOX [Re: Dragula] #1133347 12/13/11 08:17 PM 12/13/11 08:17 PM
Joined: Nov 2010 Posts: 914 tn R robnbird OP super stock
robnbird OP super stock R Joined: Nov 2010 Posts: 914 tn	thats not to bad, thanks I don't know why these head mfg don't have a standing ootb listing.

Re: HEMI HEADS OUT OF THE BOX [Re: robnbird] #1133348 12/14/11 08:50 AM 12/14/11 08:50 AM
Joined: May 2004 Posts: 12,386 Taxes & Virus's R-US, NY Dragula I Live Here
Dragula I Live Here Joined: May 2004 Posts: 12,386 Taxes & Virus's R-US, NY	Quote: thats not to bad, thanks I don't know why these head mfg don't have a standing ootb listing. An educated consumer is probably not their favorite customer, but Indy does publish theirs in their catalogue for most of their heads. Mine flow right around 400cfm now, and I will work on them a little more this winter. Last edited by Dragula; 12/14/11 08:53 AM. '70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft) https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car) https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car) https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9) '66 Barracuda AWB Stretched nose Blown 440 Car in build stage '71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph https://www.youtube.com/watch?v=Znuo3jMUXTk

Re: HEMI HEADS OUT OF THE BOX [Re: Dragula] #1133349 12/14/11 12:14 PM 12/14/11 12:14 PM
Joined: Jan 2005 Posts: 1,466 malvern, ohio 3 3ddart pro stock
3ddart pro stock 3 Joined: Jan 2005 Posts: 1,466 malvern, ohio	here are #s from someones blog on the mp heads.i saved it as those are what i used and i just cleaned up the ports some. 6966670-5308803-CopyofMPHeadsUnPorted.jpg (166 downloads)

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