this isnt a poll, I want to see if any of you have tried like 140psi with a radical high lift /0base circle type of cam and worn the valve seats or broken the cam, i am experimenting with a bunch of different springs to find the right mix.
also mention if you are using different springs/pressures on intake and exhaust
right now I am using a webcam type R outer intake and GSR stock inner spring on intake and exhaust is secret for now.

 

How come U want others to reveal what they are using and U are keeping secrets?

 

not really a secret I dont want anyone to copy until its proven, otherwise I may get a bunch of people telling me they broke a cam because of my idea, Honda valve seats are very soft, and cams get worn or can even break if the improper pressure is applied, also they generate more friction it is a trade off i am looking for. Ill give a few Hp to rev to 12K - imagine finishing the 1/4 in 3rd gear!!!!