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Header Size Calculator #1189178
03/01/12 05:31 PM 03/01/12 05:31 PM
Joined: Nov 2008
Posts: 660
San Diego
formula S Offline OP
mopar
formula S  Offline OP
mopar

Joined: Nov 2008
Posts: 660
San Diego
Any on line Calculators,
please post a link thanks
Re: Header Size Calculator [Re: formula S] #1189179
03/01/12 05:53 PM 03/01/12 05:53 PM
Joined: Feb 2010
Posts: 1,377
Ohio
Todd Offline
pro stock
Todd  Offline
pro stock

Joined: Feb 2010
Posts: 1,377
Ohio
Where is Mr P-body? He can help you out with all your questions about that stuff.

Re: Header Size Calculator [Re: Todd] #1189180
03/01/12 07:20 PM 03/01/12 07:20 PM
Joined: Feb 2005
Posts: 20,185
PA.
pittsburghracer Offline
"Little"John
pittsburghracer  Offline
"Little"John

Joined: Feb 2005
Posts: 20,185
PA.
$45.00 dollars but well worth it.
http://maxracesoftware.com/pipemax36xp2.htm

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: Header Size Calculator [Re: formula S] #1189181
03/01/12 07:55 PM 03/01/12 07:55 PM
Joined: Aug 2011
Posts: 117
canada
J
jp15 Offline
member
jp15  Offline
member
J

Joined: Aug 2011
Posts: 117
canada
Quote:

Any on line Calculators,
please post a link thanks

http://www.wallaceracing.com/header_length.php
Jim.
Re: Header Size Calculator [Re: formula S] #1189182
03/02/12 12:34 AM 03/02/12 12:34 AM
Joined: May 2011
Posts: 4,489
northern,Ohio,USA
C
Clanton Offline
master
Clanton  Offline
master
C

Joined: May 2011
Posts: 4,489
northern,Ohio,USA
there was an interesting article in hot rod mag[link on the net]that had a graph for intake cfm vs exh cfm and the tube size needed.1.5 cfm per hp intake made 2.2 cfm exh and it gave tube size for hp per cylinder.
http://www.hotrodders.com/forum/exhaust-diameter-formula-49188.html

http://victorylibrary.com/mopar/header-tech-c.htm

and the link from above.
http://www.wallaceracing.com/header_length.php

Last edited by Clanton; 03/02/12 12:53 AM.
GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: Header Size Calculator [Re: formula S] #1189183
03/02/12 11:09 AM 03/02/12 11:09 AM
Joined: Nov 2008
Posts: 660
San Diego
formula S Offline OP
mopar
formula S  Offline OP
mopar

Joined: Nov 2008
Posts: 660
San Diego
Thanks again guys one of my friends just happend to have a pipemax calculator so thats what we used
Re: Header Size Calculator [Re: formula S] #1189184
03/02/12 11:24 AM 03/02/12 11:24 AM
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:

Thanks again guys one of my friends just happend to have a pipemax calculator so thats what we used



Thats the program I use... with tons of dyno time I
found it to be very good data.... I would have answered
your question but I was on vacation.... there are a
few things that you would LIKE to do IF you can...
try to get 1 cylinder volume in the primary tube before
you hit the first tangent point... TRY to use the
biggest radius bends that will fit
Re: Header Size Calculator [Re: MR_P_BODY] #1189185
03/02/12 11:51 AM 03/02/12 11:51 AM
Joined: Nov 2008
Posts: 660
San Diego
formula S Offline OP
mopar
formula S  Offline OP
mopar

Joined: Nov 2008
Posts: 660
San Diego
Quote:

Quote:

Thanks again guys one of my friends just happend to have a pipemax calculator so thats what we used



Thats the program I use... with tons of dyno time I
found it to be very good data.... I would have answered
your question but I was on vacation.... there are a
few things that you would LIKE to do IF you can...
try to get 1 cylinder volume in the primary tube before
you hit the first tangent point... TRY to use the
biggest radius bends that will fit





Thanks Mike
Re: Header Size Calculator [Re: formula S] #1189186
03/02/12 01:04 PM 03/02/12 01:04 PM
Joined: May 2011
Posts: 4,489
northern,Ohio,USA
C
Clanton Offline
master
Clanton  Offline
master
C

Joined: May 2011
Posts: 4,489
northern,Ohio,USA
as for the rest of us we are stuck with reading and using the online calculators.

GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/

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