Thoughts...FYI It's good to know what you have. I would find numbers on the block and heads and do some research. Determine cam, intake, carburetor, etc. too. If you can, maybe visit the PO again and ask? Knowing what you have will give you an idea of how the engine will behave, determine possible upgrades, changes, future replacements, etc. It's also good to know the condition of the engine. Chances are that it's a typically mild build, the components are in good condition and it was assembled correctly. But at this point, you don't know for sure. A compression test is a good method of determining the overall condition of the "top end"...the heads and valvetrain. Buy a decent compression tester that threads into the spark-plug holes. Do a search to see how to use it. Basically, you want good pressure readings (search online for specs) and consistent for all cylinders. Past that, you could pull the heads and inspect/measure the cylinder bore for wear. It should be nice and smooth with no ridge near the top. You could disassemble the heads and check the valves, seats, the fit of the valve-stems in the valve-guides, (no wiggling) etc. The bottom end should also be checked. Turn the engine up-side-down on the stand, pull the pan, remove the main caps and rod caps, (keep them in order!) and at least visually inspect the bearings and bearing journals for wear or damage. Possibly use a micrometer to actually measure the journals. Look for a number on the bearings that will tell you if they are standard size or oversize. Or just run it and cross your fingers...lol. If you can, test run the engine when it's out of the car. Or at least test run it in the car before you put the whole front end back on. Be sure to take a video and share the moment. A 2-part epoxy paint sprayed with a gun is much more durable and will last longer and continue to look better than non-hardened paint from a spray-can...especially on a hot engine. I like your new valve covers better than the other ones. Super-fine-sand them and polish with rouge and small buffing pads and hard-rolls. Tape off everything except the fins and logo. Paint. Wipe off the very top edges of the fins and the raised areas of the logo. Cool, man. You're gonna learn so much. I bet you're reading a lot and watching a lot of videos. Hmmm...let's see..."How to do a compression test". Ah yes. Well shoot...that's not hard. Go for it, C. Oh...by the way. This hot rodding stuff is gonna ruin your life. You won't have ANY time for bowling...golf...bingo...nothing like that. LOL. Me too. Gotta go. Replacing some wheel bearings on the pickup so I can finally go get my 440/727 for my '53 Chrysler! Later!