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CNC W9s (pics) #1591691
03/11/14 10:30 PM 03/11/14 10:30 PM
Joined: Dec 2006
Posts: 3,395
Pa
Hot 340 Offline OP
master
Hot 340  Offline OP
master

Joined: Dec 2006
Posts: 3,395
Pa
By Brett Miller, for your viewing pleasure...

8070577-Head2.jpg (229 downloads)
Re: CNC W9s [Re: Hot 340] #1591692
03/11/14 10:32 PM 03/11/14 10:32 PM
Joined: Dec 2006
Posts: 3,395
Pa
Hot 340 Offline OP
master
Hot 340  Offline OP
master

Joined: Dec 2006
Posts: 3,395
Pa
2

8070581-Head5.jpg (177 downloads)
Re: CNC W9s [Re: Hot 340] #1591693
03/11/14 10:33 PM 03/11/14 10:33 PM
Joined: Dec 2006
Posts: 3,395
Pa
Hot 340 Offline OP
master
Hot 340  Offline OP
master

Joined: Dec 2006
Posts: 3,395
Pa
3

8070585-Head1.jpg (180 downloads)
Re: CNC W9s [Re: Hot 340] #1591694
03/11/14 10:35 PM 03/11/14 10:35 PM
Joined: Dec 2006
Posts: 3,395
Pa
Hot 340 Offline OP
master
Hot 340  Offline OP
master

Joined: Dec 2006
Posts: 3,395
Pa
4 exhaust
Re: CNC W9s [Re: Hot 340] #1591695
03/11/14 10:39 PM 03/11/14 10:39 PM
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Posts: 3,395
Pa
Hot 340 Offline OP
master
Hot 340  Offline OP
master

Joined: Dec 2006
Posts: 3,395
Pa
5 -thats a dime in there to show size

8070594-Head3.jpg (219 downloads)
Re: CNC W9s [Re: Hot 340] #1591696
03/11/14 10:45 PM 03/11/14 10:45 PM
Joined: Dec 2006
Posts: 3,395
Pa
Hot 340 Offline OP
master
Hot 340  Offline OP
master

Joined: Dec 2006
Posts: 3,395
Pa
Hand ported pic before Brett cut them.. notice the location of hole in the port compared to above pic.

8070601-Heads1.jpg (191 downloads)
Re: CNC W9s [Re: Hot 340] #1591697
03/11/14 11:16 PM 03/11/14 11:16 PM
Joined: Oct 2010
Posts: 2,408
Ambridge, Pa.
R
rickraw Offline
top fuel
rickraw  Offline
top fuel
R

Joined: Oct 2010
Posts: 2,408
Ambridge, Pa.
Lookin good Terry, any #'s?
Re: CNC W9s (pics) [Re: Hot 340] #1591698
03/11/14 11:46 PM 03/11/14 11:46 PM
Joined: Jan 2003
Posts: 4,057
Shelby Twp. Mi
HardcoreB Offline
master
HardcoreB  Offline
master

Joined: Jan 2003
Posts: 4,057
Shelby Twp. Mi
Good stuff!

Re: CNC W9s [Re: rickraw] #1591699
03/11/14 11:47 PM 03/11/14 11:47 PM
Joined: Oct 2007
Posts: 3,978
Hilltown Pa
1967dartgt Offline
master
1967dartgt  Offline
master

Joined: Oct 2007
Posts: 3,978
Hilltown Pa
Looks nice. He does awesome work and the ports work.

Brett Miller W9 cnc'd heads
STR Chassis fabraction
Re: CNC W9s [Re: 1967dartgt] #1591700
03/12/14 01:49 PM 03/12/14 01:49 PM
Joined: Jan 2003
Posts: 1,784
PA
W5DART66 Offline
top fuel
W5DART66  Offline
top fuel

Joined: Jan 2003
Posts: 1,784
PA
Nice pictures I guess I need to hire you as my Photographer.

This is not my CNC chamber it was chapman I just reblended it to the valve job.

Peek flow was 379 intake 266 exhaust on 4.125" bore

the big valve hurt more on the. 4.125" bore (2.200" intake 50* seat)
Re: CNC W9s [Re: W5DART66] #1591701
03/12/14 01:56 PM 03/12/14 01:56 PM
Joined: Jul 2004
Posts: 19,318
State of confusion
T
Thumperdart Offline
I Live Here
Thumperdart  Offline
I Live Here
T

Joined: Jul 2004
Posts: 19,318
State of confusion
DAMN nice and to think they`re small blocks and totally kill my big block "home ported" RPM`s and then some...........

72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: CNC W9s [Re: W5DART66] #1591702
03/12/14 01:56 PM 03/12/14 01:56 PM
Joined: Feb 2005
Posts: 20,184
PA.
pittsburghracer Offline
"Little"John
pittsburghracer  Offline
"Little"John

Joined: Feb 2005
Posts: 20,184
PA.
Very, very nice.

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time
Re: CNC W9s [Re: pittsburghracer] #1591703
03/12/14 02:00 PM 03/12/14 02:00 PM
Joined: May 2006
Posts: 1,073
oregon
G
greendart408 Offline
super stock
greendart408  Offline
super stock
G

Joined: May 2006
Posts: 1,073
oregon
What's the combo going to be? Is this a 15* head?
Re: CNC W9s [Re: W5DART66] #1591704
03/12/14 02:01 PM 03/12/14 02:01 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
Master

Joined: Jun 2003
Posts: 52,972
Romeo MI
Quote:

Nice pictures I guess I need to hire you as my Photographer.

This is not my CNC chamber it was chapman I just reblended it to the valve job.

Peek flow was 379 intake 266 exhaust on 4.125" bore

the big valve hurt more on the. 4.125" bore (2.200" intake 50* seat)



I run the Chapman CNC W-9s and just with their ports
they flowed 365
Re: CNC W9s [Re: MR_P_BODY] #1591705
03/12/14 02:19 PM 03/12/14 02:19 PM
Joined: Jan 2003
Posts: 1,784
PA
W5DART66 Offline
top fuel
W5DART66  Offline
top fuel

Joined: Jan 2003
Posts: 1,784
PA
Check your notes see what bore size they were flowed on.

This port will go 400 CFM with different valve valve job plus open chamber up.

As is they will support 800 plus HP.

I hate to say it but more to HP than flow numbers your chapman ports are way to small for drag race engine.
Re: CNC W9s [Re: W5DART66] #1591706
03/12/14 02:45 PM 03/12/14 02:45 PM
Joined: Feb 2005
Posts: 20,184
PA.
pittsburghracer Offline
"Little"John
pittsburghracer  Offline
"Little"John

Joined: Feb 2005
Posts: 20,184
PA.
Quote:

Check your notes see what bore size they were flowed on.

This port will go 400 CFM with different valve valve job plus open chamber up.

As is they will support 800 plus HP.

I hate to say it but more to HP than flow numbers your chapman ports are way to small for drag race engine.




Brett just for curiosity what air-speeds are you seeing on the Chapmans compared to your program and at what runner cc?

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time
Re: CNC W9s [Re: pittsburghracer] #1591707
03/12/14 02:56 PM 03/12/14 02:56 PM
Joined: Jan 2003
Posts: 1,784
PA
W5DART66 Offline
top fuel
W5DART66  Offline
top fuel

Joined: Jan 2003
Posts: 1,784
PA
Quote:

Quote:

Check your notes see what bore size they were flowed on.

This port will go 400 CFM with different valve valve job plus open chamber up.

As is they will support 800 plus HP.

I hate to say it but more to HP than flow numbers your chapman ports are way to small for drag race engine.




Brett just for curiosity what air-speeds are you seeing on the Chapmans compared to your program and at what runner cc?



My stuff is about 305-320 down center of port and 380-425 on short turn.

Never checked chapman but most of his w9 w8 stuff goes into choke at .650" lift and I have flowed w7,8,9 chapman stuff and all the round track stuff chokes right about same point.
Re: CNC W9s [Re: W5DART66] #1591708
03/12/14 03:07 PM 03/12/14 03:07 PM
Joined: Apr 2007
Posts: 2,027
Trumbull,CT.
J
jim sciortino Offline
top fuel
jim sciortino  Offline
top fuel
J

Joined: Apr 2007
Posts: 2,027
Trumbull,CT.
Jewelry.....
Re: CNC W9s [Re: jim sciortino] #1591709
03/12/14 06:26 PM 03/12/14 06:26 PM
Joined: Oct 2003
Posts: 7,506
Az
Crizila Offline
master
Crizila  Offline
master

Joined: Oct 2003
Posts: 7,506
Az
Quote:

Jewelry.....

They look too nice to even bolt on anything. Need them sitting under a clear glass coffee table.

Fastest 300
Re: CNC W9s [Re: W5DART66] #1591710
03/12/14 08:08 PM 03/12/14 08:08 PM
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
B
BradH Offline
Taking time off to work on my car
BradH  Offline
Taking time off to work on my car
B

Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
Quote:

My stuff is about 305-320 down center of port and 380-425 on short turn.


Don't admit that over on Speedtalk or some of the gurus there will on you about how it "can't" exceed 350 over the ST.
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