I'll be installing an Elgin cam in the 1951 spray oiler 235 engine I'm upgrading to pressure oiling and later model rods and pistons. I'll do a degree check on that one and publish the results. That's the same cam we installed in John's 261 when we built that one up, and I believe it checked out virtually the same as an OEM 261 cam other than having different lash specifications. Elgin advertises that one as a "300 degree" duration, but they include the clearance ramps in their "duration" specification. I'm having a cam reground to the Melling specs for the 258 cubic inch bored and stroked "216" I have under construction.
The fixture I'm in the process of building for my lathe will put a precise radius on the bottom of a lifter, using a die grinder and either a super fine grit Cratex wheel or a Scotchbrite pad on a 2" diameter rubber mandrel, and I'll be able to set it up for various dimensions. I believe the stovebolt lifters are made with a 60" radius.
