chad speiler posted this info on world products 235cc heads

grumpyvette

Administrator
Staff member
World Products 235cc
2.08/1.600
1.890 throat, as shipped (90.8%)
1.985 bowl (95%)
1.410 exhaust throat
1.130x2.300 <.250 radii> = 2.54in² at pinch
1.250x2.270 <.250 radii> = 2.78in² at opening

420..390..360 fps floor speed
175..170..120 fps roof speed
300 fps dead center of pinch
CHE Guides
Chrome nickel seats

I really like what they done with the SSR. It's .965 off deck with .160 worth of material remaining on the floor. I also like the extra height at the opening. However, being honest, the chamber worries me. It just goes straight up to the deck. I don't have any dyno experience or track experience with this type chamber.

SF600 w/Black Box
Brezenski 4.155 fixture
Brezenski radius plate
Exhaust NO PIPE
REV valve w/30º backcut

.200 140.1/105.8
.300 199.9/145.4
.400 247.2/169.5
.500 272.2/183.2
.600 277.6/191.1
.700 278.3/195.5
.800 281.3/198.6
.900 282.2/200.2


wph1.jpg

wph2.jpg


wph3.jpg

wph4.jpg


you might want too look thru this link also
http://www.weldtech.com/productsframe.html
 
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