And the hits keep on coming.
Pulled a couple valve springs this morning and the two I tested looked good 1.855 @ 135#. I then decided to go ahead and measure valve height and I got 1.975. I knew when I went to put the locks in they were going in easy as I usually have to wrestle with it just a bit to get the locks in. My original measurement was 1.8875 so nearly .100 of valve sink. So the good news looks like I found my problem. Can the heads be run like this or will the seats have to be recut? If I still with go with the 1.825 install height is .150 shim even a consideration or is it time to buy an aluminum head?
If you beat .100 out of the seats you’ve got other issues. Measure the OAL of the valve and see if it stretched some because .100 gain is a MILE.
