I worked with Pro-Filer and we brought a new SBF cylinder head to the market. It was a ground up project that we redesigned the chamber and moved the plug location. I done a hand ported master and Pro-Filer put that port in the core box. The result is a 205cc, 2.055 valve port that moves 315+ out of the box.
Also will have a 2.08, 227cc CNC port
And a 2.125, 240cc CNC port
Here is dyno results and a few pictures.
4.060/4.155 fixture
.200 154/157
.300 217/221
.400 268/270
.500 292/292
.600 303/307
.700 309/315
.800 313/320
.900 315/318
1.00 318/318
352 cid
249/254 HYD roller
10.9-1 compression
Sunoco 93 octane
1.360 700cfm carb
1 3/4 - 3" header
Parker Funnel Web (port match and flash cleaning)
33º of timing
Also will have a 2.08, 227cc CNC port
And a 2.125, 240cc CNC port
Here is dyno results and a few pictures.
4.060/4.155 fixture
.200 154/157
.300 217/221
.400 268/270
.500 292/292
.600 303/307
.700 309/315
.800 313/320
.900 315/318
1.00 318/318
352 cid
249/254 HYD roller
10.9-1 compression
Sunoco 93 octane
1.360 700cfm carb
1 3/4 - 3" header
Parker Funnel Web (port match and flash cleaning)
33º of timing