New R07 castings.
FLOW PRO Compare Data Report
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No. Test Name Date Max CFM Avg CFM Operator
--- -------------------- ---------- ------- ------- ---------------
1 HENDRICKI16 1/17/2005 449.9 353.4 DARIN
2 FURNROW7i001 7/25/2007 452.2 346.0 DARIN
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ACFM
Lift No. 1 No. 2
-------- ------- -------
0.2000 131.9 142.9
0.3000 214.4 220.7
0.4000 298.8 306.7
0.5000 368.3 371.1
0.6000 409.8 408.5
0.7000 424.9 426.4
0.8000 441.6 446.4
0.9000 449.2 453.5
1.0000 451.2 459.2
I have yet to start on a prototype port and chamber but when I do, I will post pictures of the chamber and port as well. I will post flow figures as soon as I can. So far they look like the next best thing and I am sure beyond all shadow of a doubt that they will be a lot better than the SB2. The port offset is no more than .200 off guide center line so the ports are strait just like a Pro Stock head. No more having to put up with a runner angle opposite to valve cant. I will go out on a limb and predict a peak flow of 450cfm with a 2.180 valve size.