Valve spring seat and seal tooling

RustyRatRod said

Generally speakin, you can get ALL the sprAng you will ever need going to the big block diameter. That's the 1.55 or so you mentioned.

Also, I would never in a MILLION years machine the spring pocket DOWN into the head more. That area is usually very thin in regards to the water jacket. Might be bad news. lol

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That's the ticket. Not wanting to increase the installed length or anything like that. Just getting away from the odd size. Heck, I may even shim the pocket then cut. I will have to do some measuring on that end first.

One tool I want to get is a valve spring micrometer. That way I could I could make more judgments on what to do next.