SOME MORE SPECS:
The valve sizes are: 1.94" intake, 1.54" exhaust. Stainless steel with chrome stems, hardened tip.
Valve length: 5.110-5.130"
Spring pressures are 110# seat, 280 @ .500" lift.
With +.050" keepers the spring pressure is 85# seat.
Single spring with damper. 1.250" diameter. Installed height; 1.750" with standard height keepers and retainers.
Steel spring cup. Steel 1 piece retainer. Hardened keepers.
Bare machined cast weight is 24.5 pounds.
Combustion chamber 60cc + -
We should receive 6 more castings March 19th.
Machine program is 99%. Just looking at various drill bits and cutters to speed up the job or leave the best finish.
http://ford-y-block.com 20 miles east of San Diego, 20 miles north of Mexico
