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Old 03-03-2006, 02:51 AM
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Join Date: Feb 2004
Location: Almere, NL
Cobra Make, Engine: No cobra YET. Making do for now with a 69 Mach I
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Default Avenger Cylinder Heads in Anaheim, CA: anyone know about them?

I am thinking about sending my RPM Performers and my RPM Air Gap from my 351W to be ported. Avenger seems to be the only shop with a CNC program from my heads. TEA does not have one. I have the newer RPM Performers, the ones that flow 251 intake at .500, and which compare veryfavorably to TFTW heads out of the box (at least for intake. The TFs have better exhaust flows). To give an example, Avenger has a CNC program that can up the intake flow of my Performers at .500 from 251 cfm to 285 cfm,which is better than the AFR 185s and what the CNC ported TF Track Heat heads flow. Avenger also brings the exhaust flow way up. They will also some some work to the intake but say that there is not that much they can do to the Air Gap. I am told it is very feasible I will see another 40-50 hp with this extra porting. HAs anyone heard of them?
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