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Been working on a pair of these SBC Edelbrock Victor 23 Degree Raised Runner heads off and on for awhile. These started life as a Chapman CNC port that I revised on the intake side cause I felt it was lacking for my goals, ended up gaining 35 cfm! Put some epoxy in a few different areas after trying to figure the port out but plan to use these on a motor of mine. Previously the head was a 2.62 MCSA, 2.100 valve, and flowed 325cfm peak. Really don't see people using this head much at all so I figured that I would give them a try. Not really much info out there either so I'd thought that I would just share what I did.
2.80 MCSA
300 ft/sec at Pinch
2.135 Valve
90.5% Throat (minus stem)
.100 - 80.0
.200 - 166.4
.300 - 231.3
.400 - 281.3
.500 - 320.3
.600 - 338.1
.700 - 345.6
.800 - 351.1
.900 - 355.4
1.00 - 360.1
2.80 MCSA
300 ft/sec at Pinch
2.135 Valve
90.5% Throat (minus stem)
.100 - 80.0
.200 - 166.4
.300 - 231.3
.400 - 281.3
.500 - 320.3
.600 - 338.1
.700 - 345.6
.800 - 351.1
.900 - 355.4
1.00 - 360.1
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