I ordered a 036 kit. Really curious how that will turn out. Also since I wasn't thrilled with the last set of 56mm top ends I got for my last set of 54mm MS660's, I hunted around for the ones I had received 2 years ago and that have really performed well over this period of time. THINK and thats a qualified "think" I found some. I ordered one, received it in the mail; and it LOOKS like the ones I really liked...here is the eBay link if anyone is interested:
http://www.ebay.com/itm/222318574079?_trksid=p2060353.m2749.l2649&ssPageName=STRK:MEBIDX:IT
I'm going to tweak it a bit and put this one on "Bling" saw to see if its a match of the first 56mm's I had build a while back. I still had one from the past from the original set for the project saws of that time and put them side by side...didn't measure, but by eye they look the same. Really made my day. If it IS the right casting and cylinder, I'll convert the rest of my 660's (Except for the one with the Cross 54mm top end for now) over to these and buy a spare just in case the quality of one isn't the best..the two actually three 56mm top ends now that I don't like will end up in the scrap pile, even though they ran.
Tweaks?? I'll cut the base to reduce the squish, but only until the "free port" is .015" No more and I'll just live with the squish I end up with. Raise the intake as much as I can without risking snagging a ring, the short piston skirt makes it look like you can raise it a lot...but you can't. Might do what folks did in the past and raise it on the sides, leaving a bit in the middle to support the bottom ring. Make the intake symmetric and break all the edges on all the ports. Open the transfers as much as i can...might even put in a finger....we will see. Widen the exhaust but not change the timing just yet on any of the ports. This is more about cleaning things up. Have to wait until my shop is finished though...even might paint the muffler.
HOPING all have their projects up and running..and making chips.