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That U/S cleaner looks pretty suite! One of these days......

StanG wrote: Note to myself: current shim sizes. None of the original valves or seats had been ground.

I'm sure you know this Stan, but..... make sure you flip those shims back over before putting them in service.

That's one big badass ultrasonic cleaner for a guy working out of a one bedroom apartment. I used 4 gallon cleaners when I was back at the Nuclear Plant. There not cheap but do a hell of a job scrubbing parts. Love it !!

I'm sure you know this Stan, but..... make sure you flip those shims back over before putting them in service.

Yes. I just flipped them for the photos shoot. Also, in the cylinder block assembly, the timing chain sprocket has to be removed when assembling everything on the engine.

That's one big badass ultrasonic cleaner for a guy working out of a one bedroom apartment. I used 4 gallon cleaners when I was back at the Nuclear Plant. There not cheap but do a hell of a job scrubbing parts. Love it !!

Haha, Yes, I love it and no regrets!! When not used it fits perfectly in my tools and parts 'warehouse' - one of the closets It's 21 x 13 x 13 inches outside dimensions with 8 transducers inside, so quite powerful. It's actually not really much bigger than a printer, very manageable. I bought it thinking about the future. I will be easily able to clean any engine heads and blocks of 2 and 4 cylinder engines. I might get another cleaner in the future, a very small one for very small stuff. Or perhaps I will make one myself. Transducers and power supply are easily available.

Actually, I would also like to get a tabletop sand blaster. I just have to sort out the compressor issue. It would have to be something electric, compact and quiet.

StanG - There I was, perfectly happy - Then you had to show some of your polishing skills ! So I "see" your thermostat housing and "raise" you one water-pump assembly ! .....and no, I did not polish the impeller ! I did polish the inside of the water-pump inlet to improve flow An academic point probably !
Regarding the #1 and #2 embossed on your two mechanical seal holders. You've indicated they are identical and no reason to doubt this as I expect you "mic'd" them. Perhaps they identify the factory casting molds (?).
Now I've got to get the header and radiator back on ASAP before I do something stupid.....like polish the impeller....for academic purposes:woohoo:

Scotch, that water bypass pipe looks immaculate! Now I have to double check on mine... That top shiny housing I have is hard to beat though. I have to confess - it's chromed! haha
And I also polished the propeller. In a way. I used the same cloth I had impregnated with metal polish compound to give it a final removal of any oxidization. It's well deserved after sitting in rain for who knows how many decades? I can't put anything back together anyway, I need my itchy fingers get some scratching, LOL

For academic purposes, one could wonder what give a better flow - a smooth polished impeller or a rough one? A polished one would help with the flow, but a scratchy one would have those hundreds of tiny 'paddles' grabbing more water molecules and thus increasing the volume? I think we should compromise: polish the vanes curvatures, but keep the base rough!

Yes, those two mechanical seal retainers are identical, except for the numbers. Actually, the '2' was on my bike but I used '1' from the block I got off eBay. Someone just filled the whole thing with black silicone, so I know the bike had leaking issue. And after the 'repair' I am sure it only got worse, because that specialist also plugged solid the weeping hole. The silicone was a bitch to remove so I just used the clean one.

The bottom hose I am replacing with a beautiful high temperature sky blue silicone. You know, blue for water haha
I love your stainless clamps there. I have the same