All very good points. Let me tell you what I've learned. I've found a valve cup manufacturer that will make them for what I consider a reasonable price. They will be the latest technology with moder
I've had some feedback on my request for Jag valve cup information, but no dimensions yet. To clarify, what I'm looking for is a set of 8 valve cups (similar to Alfa Romeo and Jag DOHC tappets or cup
Oddly enough, the Alfa cups are almost exactly the same size as the Jag cups (1.377"). Would it be possible (or reasonable) to install reducing bushings in the head to run a smaller cup? It depends o
You nailed it! The required valves springs need the larger i.d. of the large size cups. No luck so far, but thanks to everyone for the suggestions... Steve but no
Which looks easier to do? Have custom cups made, or custom springs? Far be it for ME to suggest modern technology, but valve springs could be made in any size, or an existing set with the right dimen