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w9 cnc heads(Up date flow #s) #1140601
12/21/11 12:10 PM
12/21/11 12:10 PM
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W5DART66 Offline OP
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Here is master for CNC chamber and export on W9 heads I am working on.

6977438-W9chamber2.jpg (740 downloads)
Re: w9 cnc heads [Re: W5DART66] #1140602
12/21/11 12:11 PM
12/21/11 12:11 PM
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W5DART66 Offline OP
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2

6977439-W9export1.jpg (544 downloads)
Re: w9 cnc heads [Re: W5DART66] #1140603
12/21/11 12:44 PM
12/21/11 12:44 PM
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S.E. Michigan
ZIPPY Offline
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Pretty looking work

Re: w9 cnc heads [Re: W5DART66] #1140604
12/21/11 01:08 PM
12/21/11 01:08 PM
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Posts: 52,972
Romeo MI
MR_P_BODY Offline
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Looks good... I have a set of Chapman CNCd W-9s on
my engine... I needed to clean up the transition lines
in mine... they were pretty course

Re: w9 cnc heads [Re: MR_P_BODY] #1140605
12/21/11 02:10 PM
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W5DART66 Offline OP
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Quote:

Looks good... I have a set of Chapman CNCd W-9s on
my engine... I needed to clean up the transition lines
in mine... they were pretty course




This was as cast head getting ready for Digitizing.

Re: w9 cnc heads [Re: W5DART66] #1140606
12/21/11 02:43 PM
12/21/11 02:43 PM
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West Coast, CA
T
Troy Offline
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Quote:

Here is master for CNC chamber and export on W9 heads I am working on.




Just a question for you..... If that is a scribe line matching your cylinder bore, why would you not open up the chamber up to match the bore? Kinda looks like the valves are still shrouded and opening up to the bore would free up a little CFMs. Just asking. They look very nice by the way!!



....there is nothing like driving my 1968 Hemi Dart around town and having people looking at you like you're nuts!!
Re: w9 cnc heads [Re: Troy] #1140607
12/21/11 03:09 PM
12/21/11 03:09 PM
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W5DART66 Offline OP
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That line is 4.180 and you may not run this on a 4.180 bore.
This can be done by hand to run on large bore but makes head "fit" more Applications.

Re: w9 cnc heads [Re: W5DART66] #1140608
12/21/11 10:37 PM
12/21/11 10:37 PM
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Orlando Fl
Dos Snails Offline
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That's just what I was thinking..

Re: w9 cnc heads [Re: W5DART66] #1140609
12/21/11 11:13 PM
12/21/11 11:13 PM
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Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
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Romeo MI
Quote:

Quote:

Looks good... I have a set of Chapman CNCd W-9s on
my engine... I needed to clean up the transition lines
in mine... they were pretty course




This was as cast head getting ready for Digitizing.




Yeah I knew what your doing... looking good for your
base for the digitizing

Re: w9 cnc heads [Re: W5DART66] #1140610
12/21/11 11:41 PM
12/21/11 11:41 PM
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Posts: 3,699
Newport, Mi
Evil Spirit Offline
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Quote:

That line is 4.180 and you may not run this on a 4.180 bore.
This can be done by hand to run on large bore but makes head "fit" more Applications.




Not to mention not all bores are the same place in the block. This way if you have a block with some core shift you can move the bore around a little and then match the chamber to it.


Free advice and worth every penny...
Factory trained Slinky rewinder.........
Re: w9 cnc heads [Re: Evil Spirit] #1140611
12/22/11 01:40 AM
12/22/11 01:40 AM
Joined: Dec 2003
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West Coast, CA
T
Troy Offline
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Make sense, sounds good.

When I was putting my 472 together, during the mock up I put the heads on and then scribe the head to the block. This takes care of the core shift problems.

Just my

Keep us posted on the build, looking good!!

6978695-472Hemi002.jpg (357 downloads)

....there is nothing like driving my 1968 Hemi Dart around town and having people looking at you like you're nuts!!
Re: w9 cnc heads [Re: Troy] #1140612
01/24/12 10:29 AM
01/24/12 10:29 AM
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east coast
Otherlane Offline
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east coast
any new news on this program? any flow numbers? what do you think about the w9 heads?

Re: w9 cnc heads [Re: Otherlane] #1140613
01/24/12 09:55 PM
01/24/12 09:55 PM
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W5DART66 Offline OP
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Flow on the intake port should be close to this as its getting same intake port as the W8 I did. I hope to have 2 sets of the W9s done next week
flow #s
0.4000 276.3
0.4500 303.2
0.5000 328.6
0.5500 350.4
0.6000 367.5
0.6500 377.6
0.7000 382.3
0.7500 389.4
0.8000 394.3
0.8500 399.0
0.9000 402.8
This is at 28" of water port is nice and smooth.

Re: w9 cnc heads [Re: W5DART66] #1140614
01/24/12 10:42 PM
01/24/12 10:42 PM
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Posts: 1,325
Orlando Fl
Dos Snails Offline
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are they paper thin at that size? it's about time for me to start working on my w 9 engine again . it will be boosted so I'm not sure that will need them large though lol

Last edited by Dos Snails; 01/24/12 10:45 PM.
Re: w9 cnc heads [Re: Dos Snails] #1140615
01/24/12 11:09 PM
01/24/12 11:09 PM
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PA
W5DART66 Offline OP
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Quote:

are they paper thin at that size? it's about time for me to start working on my w 9 engine again . it will be boosted so I'm not sure that will need them large though lol




Not that thin but whats nice about having program on file for this head now is we can do just what you are saying. I can add .020" to the entire intake program.

Re: w9 cnc heads [Re: W5DART66] #1140616
01/24/12 11:58 PM
01/24/12 11:58 PM
Joined: Dec 2003
Posts: 1,325
Orlando Fl
Dos Snails Offline
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well I'm glad I asked then.

Re: w9 cnc heads [Re: Dos Snails] #1140617
01/25/12 09:58 AM
01/25/12 09:58 AM
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Posts: 830
east coast
Otherlane Offline
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east coast
How does your w9 compare to your w8 flow numbers specs?

Re: w9 cnc heads [Re: Otherlane] #1140618
01/25/12 11:07 AM
01/25/12 11:07 AM
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W5DART66 Offline OP
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Its same intake port as the W9 and now has better chamber but I have not flowed them yet as I am getting first 2 sets of the W9 program done next week (I HOPE) The chamber in the W8 was just the chapman/mopar with little work.

Re: w9 cnc heads [Re: W5DART66] #1140619
01/25/12 07:24 PM
01/25/12 07:24 PM
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Lynchburg, VA
Leon441 Offline
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What size are the valves you are using?


Career best 8.02 @ 169 at 3050# and 10" tires small block power.
Re: w9 cnc heads [Re: Leon441] #1140620
01/25/12 07:35 PM
01/25/12 07:35 PM
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W5DART66 Offline OP
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Quote:

What size are the valves you are using?



2.180 intake 1.600 exhaust

Re: w9 cnc heads [Re: W5DART66] #1140621
01/25/12 09:23 PM
01/25/12 09:23 PM
Joined: Oct 2011
Posts: 3,036
bean town ....Ca
W
WHITEDART Offline
master
WHITEDART  Offline
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bean town ....Ca
HEY I MIGHT NEED YOUR SERVICE PRETTY SOON


In the 8s N/A.with Brett miller W8's
5.07 at 133 at 2700lb
Re: w9 cnc heads [Re: W5DART66] #1140622
01/25/12 09:27 PM
01/25/12 09:27 PM
Joined: Oct 2008
Posts: 458
Michigan
BPE Offline
mopar
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mopar

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Michigan
Quote:

Here is master for CNC chamber and export on W9 heads I am working on.




Pretty nice looking.....Reminds me of one I saw back in 1984.

Re: w9 cnc heads [Re: W5DART66] #1140623
01/25/12 09:41 PM
01/25/12 09:41 PM
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Pa
Hot 340 Offline
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Quote:

Here is master for CNC chamber and export on W9 heads I am working on.


Are you CNC'ing these with the seats left in place?

Re: w9 cnc heads [Re: BPE] #1140624
01/25/12 09:58 PM
01/25/12 09:58 PM
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bean town ....Ca
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WHITEDART Offline
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me to it had a 50mm right? im still having fun... but im liking those heads


In the 8s N/A.with Brett miller W8's
5.07 at 133 at 2700lb
Re: w9 cnc heads [Re: Hot 340] #1140625
01/25/12 10:35 PM
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W5DART66 Offline OP
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Quote:

Quote:

Here is master for CNC chamber and export on W9 heads I am working on.


Are you CNC'ing these with the seats left in place?



yes its best to cut with seats and guides in the head then size guides and cut seats.

Re: w9 cnc heads [Re: W5DART66] #1140626
01/26/12 04:18 AM
01/26/12 04:18 AM
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pacific northwest
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Stroker Scamp Offline
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pacific northwest
could you use these heads in a turbo or procharged application? 48* block


footbrake N/A SB 408 Scamp 10.10 @ 132 street/strip
73 Duster 340 street strip 12.79 @ 105
Re: w9 cnc heads [Re: Stroker Scamp] #1140627
01/26/12 09:54 AM
01/26/12 09:54 AM
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Posts: 2,528
Mansfield, Tx
Jacob Pitt Offline
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Mansfield, Tx
So what does it take to do a swap from say like a Indy 360-2 head to a W-9? Can they even be run on a 59* block? Don't know much about these heads except they flow great! Just looking for some education. Heads look great!


2013 NHRA D4 Stock Champ
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All using a Ultimate Converter Concepts converter. Call Lenny today 704-892-6837
Re: w9 cnc heads [Re: Jacob Pitt] #1140628
02/01/12 10:06 PM
02/01/12 10:06 PM
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Posts: 1,325
Orlando Fl
Dos Snails Offline
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So, What are we talking money wise?

Re: w9 cnc heads [Re: W5DART66] #1140629
02/02/12 01:38 PM
02/02/12 01:38 PM
Joined: Feb 2012
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Arkansas
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MoparVin Offline
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Arkansas
Can I use the 59 deg W/9's with a 4.08-4.100 bore?I'm wanting to use these on a 70 360 casting I have,and IF possible avoid going to an R-3 for now.
Another thing is,does anyone out there know of anybody that can make headers for this beast in a Duster?Again,IF it's possible,keep the t-bars.

Re: w9 cnc heads [Re: MoparVin] #1140630
02/02/12 02:11 PM
02/02/12 02:11 PM
Joined: Nov 2010
Posts: 1,397
Carson City, Nevada
Biginchmopar Offline
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Does it matter what part#/casting you start with?
What will the cost be?


Re: w9 cnc heads [Re: Biginchmopar] #1140631
02/05/12 01:00 AM
02/05/12 01:00 AM
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Posts: 5,484
SoCal
Brian Hafliger Offline
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SoCal
Lookin' good Brett. Now we need to build a nice 450cid ritter block build!!


Brian Hafliger
Re: w9 cnc heads [Re: Brian Hafliger] #1140632
02/09/12 01:03 PM
02/09/12 01:03 PM
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PA
W5DART66 Offline OP
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First pics of CNC W9s

7062158-IMG_2778.jpg (269 downloads)
Re: w9 cnc heads [Re: W5DART66] #1140633
02/09/12 02:07 PM
02/09/12 02:07 PM
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PA
W5DART66 Offline OP
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#2

7062249-IMG_27791.jpg (252 downloads)
Re: w9 cnc heads [Re: W5DART66] #1140634
02/09/12 02:07 PM
02/09/12 02:07 PM
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W5DART66 Offline OP
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#3

7062251-IMG_27803.jpg (235 downloads)
Re: w9 cnc heads [Re: W5DART66] #1140635
02/09/12 02:13 PM
02/09/12 02:13 PM
Joined: Jul 2006
Posts: 4,595
On the south side of Nowhere
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S/ST 3040 Offline
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On the south side of Nowhere
W-8 port must have fit.

Re: w9 cnc heads [Re: Brian Hafliger] #1140636
02/09/12 02:39 PM
02/09/12 02:39 PM
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Posts: 1,600
Alberta Canada
StrokerAspen Offline
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Quote:

Lookin' good Brett. Now we need to build a nice 450cid ritter block build!!




Agreed! I know of a 48 degree 468ci.that could use a set

-Kenny

Re: w9 cnc heads [Re: StrokerAspen] #1140637
02/10/12 01:29 AM
02/10/12 01:29 AM
Joined: Nov 2010
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Carson City, Nevada
Biginchmopar Offline
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Looks like it went through the head bolt hole. Is that getting a steel sleeve?


Re: w9 cnc heads [Re: Biginchmopar] #1140638
02/10/12 07:54 AM
02/10/12 07:54 AM
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W5DART66 Offline OP
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No need to sleeve it will run it as is.

Re: w9 cnc heads [Re: W5DART66] #1140639
02/10/12 09:40 AM
02/10/12 09:40 AM
Joined: Sep 2004
Posts: 1,499
San Antonio,TX
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440W8 Duster Offline
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What is the CSA of the intake port and volume?Thanks Brett Looks good.


70 Duster W8 motor.
1.29 60ft 5.79 1/8 at 120 mph
glide with 1.80 gear
@3170 lbs.
Re: w9 cnc heads [Re: 440W8 Duster] #1140640
02/10/12 11:34 AM
02/10/12 11:34 AM
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W5DART66 Offline OP
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Quote:

What is the CSA of the intake port and volume?Thanks Brett Looks good.



Just over 3in at flange.

Re: w9 cnc heads [Re: W5DART66] #1140641
02/10/12 12:32 PM
02/10/12 12:32 PM
Joined: Nov 2004
Posts: 4,330
Lynchburg, VA
Leon441 Offline
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Lynchburg, VA
My CFE w8's had a sleeve where the head stud area was broken through. They also used a 7/16 head stud instead of the 1/2". Was told the sleeve was to strengthen the head so the head stud when torqued down would not crack the head. Probaly less chance of cracking the head with the less torque the 7/16 bolts require to stretch the stud.

Leon


Career best 8.02 @ 169 at 3050# and 10" tires small block power.
Re: w9 cnc heads [Re: Leon441] #1140642
02/10/12 01:35 PM
02/10/12 01:35 PM
Joined: Nov 2010
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Carson City, Nevada
Biginchmopar Offline
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I would put a sleeve in it just for the crush reason. I have done it on other heads and it works good.


Re: w9 cnc heads [Re: Biginchmopar] #1140643
02/10/12 01:37 PM
02/10/12 01:37 PM
Joined: Nov 2010
Posts: 1,397
Carson City, Nevada
Biginchmopar Offline
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The heads look real good and I'm intesested in having a set of W9's done.

Do you have any idea what the CnC charge will be?

PM me if need be.


Re: w9 cnc heads [Re: Biginchmopar] #1140644
02/10/12 08:18 PM
02/10/12 08:18 PM
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Posts: 830
east coast
Otherlane Offline
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Otherlane  Offline
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east coast
So whats your output on the w9 heads? Well the performace be right up there with the 8s

Re: w9 cnc heads [Re: Otherlane] #1140645
02/14/12 03:04 AM
02/14/12 03:04 AM
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Carson City, Nevada
Biginchmopar Offline
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Have you had a chance to do a valve job and flow a couple ports?


Re: w9 cnc heads [Re: Biginchmopar] #1140646
02/14/12 11:47 PM
02/14/12 11:47 PM
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Posts: 1,784
PA
W5DART66 Offline OP
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0.2000 147.6
0.2500 174.9
0.3000 192.2
0.3500 218.2
0.4000 247.6
0.4500 277.2
0.5000 304.5
0.5500 331.5
0.6000 351.5
0.6500 369.0
0.7000 384.9
0.7500 392.6
0.8000 399.1
0.8500 402.8
0.9000 403.8
This is the #s right now(Right out of CNC) .Valve job no blend into chamber/light blend into bowl.
Lower lift/mid lift numbers will get better hate to put the numbers up but don't know when I will have time this week to do rest of the blend work and get them back on the flow bench.
The port takes off .600" up and the sound is sweet.

Re: w9 cnc heads [Re: W5DART66] #1140647
02/15/12 12:25 AM
02/15/12 12:25 AM
Joined: Dec 2007
Posts: 830
east coast
Otherlane Offline
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Otherlane  Offline
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east coast
700 lift and above the W9s are better than the 8s.i guess i cant go wrong with the new 9s i bought new for $600 shipped,bare of course

Re: w9 cnc heads [Re: Otherlane] #1140648
02/15/12 03:26 AM
02/15/12 03:26 AM
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Posts: 1,397
Carson City, Nevada
Biginchmopar Offline
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Man that is real good!

Do ever work on Big Blocks?

I just bought a set of W9's and with those kind of numbers you could make some serious power. I was going to build a 440 small block, I might have to rethink that and go a bit bigger.

I would really like to get those kind of number out of a set of B1-BS heads.

Re: w9 cnc heads [Re: Biginchmopar] #1140649
02/15/12 09:27 AM
02/15/12 09:27 AM
Joined: Dec 2007
Posts: 830
east coast
Otherlane Offline
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east coast
So a w8 and 9 should be pretty much close on power with the flow numbers on the 9s?

Re: w9 cnc heads [Re: Otherlane] #1140650
02/15/12 09:50 AM
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W5DART66 Offline OP
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I dont see any reason it should not.
Most of the W9s that are CNC were Dirt track stuff not the best ports or chamber for GAS drag car.
This set up is for drag car/fast street car. The W9 is much nicer than I thought going into this deal vs W8 early castings.
The W9 is light but it has Material in the right spots for nice intake and exhaust ports. We did pressure check this set of heads at 100psi no leaks.

Re: w9 cnc heads [Re: W5DART66] #1140651
02/15/12 11:21 AM
02/15/12 11:21 AM
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Posts: 3,112
LONG ISLAND
fishy340 Offline
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Posts: 3,112
LONG ISLAND
i think what ur doing is great,especially with all the w9 stuff out there hope all the effort pays off for you,i think it will.

Re: w9 cnc heads [Re: fishy340] #1140652
02/15/12 01:25 PM
02/15/12 01:25 PM
Joined: Oct 2008
Posts: 235
Glendale, AZ
D
Dave W Offline
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Dave W  Offline
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Joined: Oct 2008
Posts: 235
Glendale, AZ
100 psi with no leaks, sounds like a boost friendly head.

Re: w9 cnc heads [Re: Dave W] #1140653
02/15/12 01:39 PM
02/15/12 01:39 PM
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Posts: 1,784
PA
W5DART66 Offline OP
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3rd set of W8s out of the cnc
Rolled 1.5* 36cc chamber

7072518-DSC02510.JPG (273 downloads)
Re: w9 cnc heads [Re: W5DART66] #1140654
02/15/12 01:41 PM
02/15/12 01:41 PM
Joined: Jan 2003
Posts: 1,784
PA
W5DART66 Offline OP
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Sm chamber W8

7072521-DSC02512.JPG (214 downloads)
Re: w9 cnc heads [Re: W5DART66] #1140655
02/15/12 01:42 PM
02/15/12 01:42 PM
Joined: Jan 2003
Posts: 1,784
PA
W5DART66 Offline OP
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One more

7072522-DSC02509.JPG (206 downloads)
Re: w9 cnc heads [Re: W5DART66] #1140656
02/15/12 03:39 PM
02/15/12 03:39 PM
Joined: Aug 2004
Posts: 2,128
sweden
S
sshemi Offline
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sshemi  Offline
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sweden
How many cc intake runner?

Re: w9 cnc heads [Re: sshemi] #1140657
02/15/12 03:57 PM
02/15/12 03:57 PM
Joined: Oct 2008
Posts: 235
Glendale, AZ
D
Dave W Offline
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Dave W  Offline
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Glendale, AZ
How much does the exhaust flow?

Re: w9 cnc heads [Re: sshemi] #1140658
02/15/12 08:53 PM
02/15/12 08:53 PM
Joined: Jan 2003
Posts: 1,784
PA
W5DART66 Offline OP
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Quote:

How many cc intake runner?



Will have to cc one should be about 290cc to 300cc

Re: w9 cnc heads [Re: W5DART66] #1140659
02/15/12 10:04 PM
02/15/12 10:04 PM
Joined: Oct 2008
Posts: 235
Glendale, AZ
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Dave W Offline
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Dave W  Offline
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Joined: Oct 2008
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Glendale, AZ
Brett, sent you a pm.

Re: w9 cnc heads [Re: Dave W] #1140660
02/15/12 10:58 PM
02/15/12 10:58 PM
Joined: Dec 2003
Posts: 1,325
Orlando Fl
Dos Snails Offline
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So would you do a uncut w8 head for the same price or does the extra materal cost more? Just throwing it out there....

Re: w9 cnc heads [Re: Dos Snails] #1140661
02/15/12 11:01 PM
02/15/12 11:01 PM
Joined: Jan 2003
Posts: 1,784
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W5DART66 Offline OP
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Its about same price but seats and guides add $$$$$ fast.

Re: w9 cnc heads [Re: W5DART66] #1140662
02/15/12 11:10 PM
02/15/12 11:10 PM
Joined: Dec 2003
Posts: 1,325
Orlando Fl
Dos Snails Offline
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Orlando Fl
I've seen unported w8's for about you the same coin as the w9s..... but it woud cost a ton to send them before your program....

Re: w9 cnc heads [Re: Biginchmopar] #1140663
02/15/12 11:47 PM
02/15/12 11:47 PM
Joined: Feb 2007
Posts: 1,025
Las Vegas, NV
dodgeboy11 Offline
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dodgeboy11  Offline
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Joined: Feb 2007
Posts: 1,025
Las Vegas, NV
Quote:

Man that is real good!

Do ever work on Big Blocks?

I just bought a set of W9's and with those kind of numbers you could make some serious power. I was going to build a 440 small block, I might have to rethink that and go a bit bigger.

I would really like to get those kind of number out of a set of B1-BS heads.




B1-BS head doesn't have a tall enough port for that kind of flow. Only so much you can do with a standard port height. Better capability with the Victor head or the Indy EZ due to the raised port.
It would be nice though, standard height intake port and that kind of flow? It'd surprise the crap out of folks.

Re: w9 cnc heads [Re: dodgeboy11] #1140664
02/16/12 02:37 PM
02/16/12 02:37 PM
Joined: Nov 2010
Posts: 1,397
Carson City, Nevada
Biginchmopar Offline
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Biginchmopar  Offline
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Joined: Nov 2010
Posts: 1,397
Carson City, Nevada
J,

If you had any tallent we could get 380 out of a set of B1-BS's.

p.s. another very quick street car is going to rumbling around the Carson area this summer. W9 440 in an A-body

Re: w9 cnc heads [Re: W5DART66] #1140665
02/17/12 11:51 PM
02/17/12 11:51 PM
Joined: Nov 2004
Posts: 3,517
pacific northwest
S
Stroker Scamp Offline
master
Stroker Scamp  Offline
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Joined: Nov 2004
Posts: 3,517
pacific northwest
Quote:

Its about same price but seats and guides add $$$$$ fast.


how much for guides and seats ballpark?


footbrake N/A SB 408 Scamp 10.10 @ 132 street/strip
73 Duster 340 street strip 12.79 @ 105
Re: w9 cnc heads [Re: Biginchmopar] #1140666
02/19/12 02:56 AM
02/19/12 02:56 AM
Joined: Dec 2010
Posts: 243
United States
W
W9 Dart Offline
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W9 Dart  Offline
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Posts: 243
United States
Quote:

J,

If you had any tallent we could get 380 out of a set of B1-BS's.

p.s. another very quick street car is going to rumbling around the Carson area this summer. W9 440 in an A-body




Is that 440 block a 59* lifter bank angle block? I ask b/c I have a set of fully ported W9's for my R1 block but the 59* block with it's 1.875 lifter bore spacing makes me nervous with the push rod angle.. I know I can run the offset rocker but the little 5/16 push rods is less than desirable for my boosted application.

Re: w9 cnc heads [Re: W9 Dart] #1140667
02/20/12 02:54 AM
02/20/12 02:54 AM
Joined: Nov 2010
Posts: 1,397
Carson City, Nevada
Biginchmopar Offline
pro stock
Biginchmopar  Offline
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Posts: 1,397
Carson City, Nevada
Sorry, R3 48*!

I don't want to fight the bad lifterbore angle. My buddies at T&D have shown me how important it is to have a good Valve Train.


Re: w9 cnc heads [Re: Biginchmopar] #1140668
02/28/12 02:04 AM
02/28/12 02:04 AM
Joined: Jan 2003
Posts: 1,784
PA
W5DART66 Offline OP
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This is hand done exhaust ports for W8 hope to get this program on file soon. I thought the W9 proto type ex port would go into the W8 but it will not fit so had to work this one up.

7094102-DSC02534.JPG (240 downloads)
Re: w9 cnc heads [Re: W5DART66] #1140669
02/28/12 02:06 AM
02/28/12 02:06 AM
Joined: Jan 2003
Posts: 1,784
PA
W5DART66 Offline OP
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one ex port

7094106-DSC02539.JPG (204 downloads)
Re: w9 cnc heads [Re: W5DART66] #1140670
02/28/12 08:25 AM
02/28/12 08:25 AM
Joined: Dec 2007
Posts: 830
east coast
Otherlane Offline
super stock
Otherlane  Offline
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Joined: Dec 2007
Posts: 830
east coast
How you think the 9s compare to the 8s that you have worked on? just asking because there is always a talk about which will make more power and w9 cant make big power.

Re: w9 cnc heads [Re: Otherlane] #1140671
02/28/12 11:32 AM
02/28/12 11:32 AM
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Posts: 1,784
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W5DART66 Offline OP
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Quote:

How you think the 9s compare to the 8s that you have worked on? just asking because there is always a talk about which will make more power and w9 cant make big power.



So far I think W9s have not been given fare shake I think they will make good power but most of the W9 stuff was for dirt track ports and chamber all wrong.
I did not like the W9 for same reason but now that I have worked with them they are nice, Intake port has more meat in it than early W8s.
Draw back is the valve are .100" closer to exhaust side of head.(this will hurt small bore more and small bore with big lift .750"plus will be at disadvantage)
I think if you are doing W9 engine you should run 4.150 bore or bigger then valve placement would be a wash.
The other thing I am updating 3 sets of W8s right now and they are all a PITA start with new W9s and dont look back.
I think my W9 in max effort NA deal can do 850~900HP to be seen but the data on the head backs this up now just need some one to step up and build one.

Re: w9 cnc heads [Re: W5DART66] #1140672
02/28/12 04:44 PM
02/28/12 04:44 PM
Joined: Feb 2005
Posts: 699
Manassas, VA USA
Scamp451 Offline
mopar
Scamp451  Offline
mopar

Joined: Feb 2005
Posts: 699
Manassas, VA USA
Stupid question:

Does your program take a regular port W9 and raise it to where an as cast W9 RP head is OOTB, or are are the castings completely different? I guess what I am asking is will your program working in an older W9 and a W9 RP just the same?

Re: w9 cnc heads [Re: Scamp451] #1140673
02/28/12 05:40 PM
02/28/12 05:40 PM
Joined: Jan 2003
Posts: 1,784
PA
W5DART66 Offline OP
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Only work in old or low port W9.
Still hard head to beat for wedge.

Re: w9 cnc heads [Re: W5DART66] #1140674
02/28/12 08:49 PM
02/28/12 08:49 PM
Joined: Mar 2010
Posts: 601
Niles, Michigan
Hitman340 Offline
mopar
Hitman340  Offline
mopar

Joined: Mar 2010
Posts: 601
Niles, Michigan
Im told I may get to see the new W9 ports in Indy.Is that true.

Re: w9 cnc heads [Re: Hitman340] #1140675
02/28/12 10:50 PM
02/28/12 10:50 PM
Joined: Dec 2003
Posts: 1,325
Orlando Fl
Dos Snails Offline
pro stock
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Posts: 1,325
Orlando Fl
Shoot me a pm $ on just the chambers only,
Mine is going to be more turbo street than all out race... And beside NRE gets 1500hp out of heads that flow about 300 cfm when boosted & I'm not sure if efi engines suffer from large ports on the street like a carb'ed engine @ low rpms.I usually go for the overkill side of everything ( And usually wind up with a mess)God they look sweet though

Re: w9 cnc heads [Re: Dos Snails] #1140676
02/29/12 01:21 AM
02/29/12 01:21 AM
Joined: Jan 2003
Posts: 1,784
PA
W5DART66 Offline OP
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W9 chamber is 61cc with SS valves should be about 58cc with flat Ti valves.
Intake port is 303cc with SS valves Ti valve should be 298~300 cc

Re: w9 cnc heads [Re: W5DART66] #1140677
02/29/12 01:33 AM
02/29/12 01:33 AM
Joined: Jan 2003
Posts: 1,784
PA
W5DART66 Offline OP
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The W9 head will be with BPE at the indy chrysler performance trade show.Thanks Rod Bloomer
So check it out thanks Brett Miller

Re: w9 cnc heads [Re: W5DART66] #1140678
10/31/12 04:52 PM
10/31/12 04:52 PM
Joined: Jan 2003
Posts: 4,002
Joplin, Mo
R
rt66jim Offline
master
rt66jim  Offline
master
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Joined: Jan 2003
Posts: 4,002
Joplin, Mo
What type/material are the valve seats on these heads out of the box? Is it compatiable with Ti valves?

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