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Re: Stage 5 Hemi mopar heads, what will they flow?
[Re: Mopar_Rich]
#140702
10/25/08 06:10 PM
10/25/08 06:10 PM
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Joined: Jan 2003
Posts: 6,420
nielsville, minn.
quickd100
master
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master
Joined: Jan 2003
Posts: 6,420
nielsville, minn.
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Quote:
Quote:
I just gotta know what they flowed. (without the golfball too) Dave
Your PM capacity is full. Sorry. I was asked not to publish the flow numbers just yet.
I didn't know my box was full, cleaned it out a bit. I understand, if they don't want the numbers published that's fine with me. Thanks, Dave
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Re: Stage 5 Hemi mopar heads, what will they flow?
[Re: B1HEAD_USER]
#140706
01/25/09 06:56 PM
01/25/09 06:56 PM
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Joined: May 2007
Posts: 1,087
Northeast, Arkansas
Dodgeman67
OP
super stock
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OP
super stock
Joined: May 2007
Posts: 1,087
Northeast, Arkansas
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Quote:
Send them things to Modern put the 500" together and then run with the DDS 
4.89 in a 2,600 pound car in the 1/8 mile, is that doable with a 500 inch motor.
You're not helping Scott. 
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Re: Stage 5 Hemi mopar heads, what will they flow?
[Re: Mopar_Rich]
#140707
01/25/09 07:50 PM
01/25/09 07:50 PM
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Joined: Jan 2003
Posts: 75,354
A gulag near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,354
A gulag near you.
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Quote:
I'm writing a book "How to Build a Max-Performance Hemi" for CarTech books (The SA series). Chapter 5 is all about the heads and as part of this book I took all the familiar heads and flowed them. I even did a BAE head just to see what those monsters would do.
Anyway - here what the MP (cast iron) and the Stage-V head did. The MP aluminum head was just a shade less than the Stage-5.
No port work.
Stock, Stage-V Replacement
2.25/1.94, 2.25/1.94
16 bolt, 16 bolt
---Int Exh Int Exh
.2 135 94 147 118
.3 190 131 233 175
.4 252 175 299 221
.5 295 205 350 250
.6 320 223 370 285
.7 331 228 390 273
Will there be a chapter on valavetrain geometry and how to set it up ?
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Re: Stage 5 Hemi mopar heads, what will they flow?
[Re: B1HEAD_USER]
#140710
01/25/09 11:47 PM
01/25/09 11:47 PM
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Joined: May 2007
Posts: 1,087
Northeast, Arkansas
Dodgeman67
OP
super stock
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OP
super stock
Joined: May 2007
Posts: 1,087
Northeast, Arkansas
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Quote:
You could always put a little spray to it. I know a guy right around the corner that can help you out 
You must be talking about Larry?
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Re: Stage 5 Hemi mopar heads, what will they flow?
[Re: JohnRR]
#140712
01/26/09 05:14 PM
01/26/09 05:14 PM
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Joined: Jan 2003
Posts: 1,938
Sonora CA
Mopar_Rich
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,938
Sonora CA
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Quote:
Will there be a chapter on valavetrain geometry and how to set it up ?
Of course - it's one of the most important things about building a Hemi.
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Re: Stage 5 Hemi mopar heads, what will they flow?
[Re: Mopar_Rich]
#140713
01/26/09 07:41 PM
01/26/09 07:41 PM
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Joined: May 2007
Posts: 1,087
Northeast, Arkansas
Dodgeman67
OP
super stock
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OP
super stock
Joined: May 2007
Posts: 1,087
Northeast, Arkansas
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Quote:
I finished assembling the Hemi for the book last week. We flowed the Stage-V heads after a bowl blend, gasket match and a minor first stage porting job. Angie at Mopar Engines West did the work.
They flowed 400 (int)and 280 (exh) at .700 lift! I was surprised.
Dyno next week!
Cool, that was what I was looking for and plan to do to mine, for the 426 build, port match and some blending and if I get 400 cfm I will be happy. When I build the 528 I will send the to get CNCed. 
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