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Quote:
Originally Posted by Ronnie
The top groove is used for an oil seal in the Chevy application.
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Sort of depends on how you're looking at the valve, the groove closest to the valve "tip" is for the locks. The next one down is the seal groove! Photo below!
Thanks, Gary in N.Y.
P.S. I've posted this numerous times up here, we stopped using any Chevy valves in Flathead builds over 40 years ago. Russ will probably see why before he's finished. It takes a bunch of "doing" to get the proper installed spring hgts and get the lash where it's needed! The Chevy valves will likely yield a 2.200" I.H.?? Springs will not even be close. It was exactly for this reason a few years back we made the "adjustable" spring hgt guides, they will hold up to 5 or 6 .060" shims, photo below here!