MBHD - why did you decide to go with the 2.02 vs the 1.94"? That's a huge valve! Is it because you already planned on taking out so much from the combustion chamber that it wasn't a big deal to deshroud it?
Also let me know the CC of your heads when you get around to measuring them

Scrapiron - I had never heard it called pumping up the lifters but I gotcha now.



So a bit more math and I like what I see. I got my dad to measure the uncompressed length of the spring and the bind height. The bind height was 1.13" and the uncompressed was 2.05". If Tom got 320lbs at 1.25", then it has a spring rate of 400lbs/in. If the installed height is at 1.75 then it will be compressed .3" on the seat giving it a seat pressure of 120lbs which sounds perfect.
Again I'm just hoping there was a mix up at measuring the valve seat pressure. I will take a spring to the engine shop when I'm dropping everything off and see if they can measure it real quick to double check.

69 Buick Special Deluxe. Intercooled Turbo Chevy 250 @ 15psi on a stock long block. It's kinda fast.