Jerry, I've done the plug wire removal (the MSD ignition can really light up your day if not careful) and while inconclusive, it's no. 5 and possibly 6 as well(LH side for the Chebbie guys).

Parts - not going to buy anything but the gaskets until sure of what's inside and already have. My concern is if I did over rev and subsequently collapsed that skirt(or two), how many more will just be waiting to go the same way.

As far as broken parts - no metal seen yet in the oil, but might just send off a sample as you suggest, Roger.

What the real gist of my OP is has to do with those Silvolite pistons and if they are decent replacements if necessary, knowing that I will never race it - though will give it some occasional 'exercise'.

For right now - gonna drive it until it gets cold, clatter and all. If it breaks - sighhhhh - that will be the next bridge to cross with this engine.