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Not to hijack the OP's thread but here is one more Nissan blue tape "Easter Egg", this one is for the fog light circuit.

New treasure! 3 Mikuni 44 PHHs. I bought these on Yahoo! Japan back in December. Jesse Streeter helped me get them Stateside and I had them rebuilt by Taka at Kyushu House, who moved to Houston in the middle of the rebuild, hence the delay. They look fantastic. The manifold also looks pretty good considering it was pretty beet up when I bought it. It had no linkage and needed to be vapor blasted, but there are very few imperfections. Just some putting on the surface that mates to the header gasket. Can’t wait to get them running.

I don't get this at all. The seller took a bunch of junk engine parts with no internals and built an engine to sell. With two days left on the auction, it is at $1350. There are a few salvageable parts, but who would pay this much for common scrap parts? The seller doesn't hide what is being sold. It is clearly stated that the parts were destined for the dumpster. https://bringatrailer.com/listing/datsun-nissan-l28/ From the seller.. for everyone wondering, the reason this is a display motor is because its a collection of parts that weren’t useable cores. We build a fair number of L-series motors in the shop and I couldn’t stomach tossing the parts in the trash. The block came to us without main caps The cylinder head (240z) was rebuilt by the owner and he didn’t replace one of the valve spring seats and the seat was damaged. The crankshaft is an L24 that came in with a car full of spare parts. The timing cover has a corrosion perforation behind the water pump. Sure there are some useable parts on the assembly, and if it were the last motor on the planet a machine shop could fix it and make it a working engine. But that wasn’t the intention. Instead of tossing the parts in the scrap pile, or sitting around the shop taking up space i made it worth looking at. In my opinion it’s perfect because you wont be tempted to take it apart! We bought 30 or so cars in a batch deal back in 2021. So we have dozens of motors on the shelf for rebuilds as well as the plated parts and fasteners. If you’re looking for parts give the shop a call.

Why settle for this when you could have a brand new, still in the box 280Z engine! https://www.ebay.com/itm/275898478727?_trkparms=amclksrc%3DITM%26aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D1%26asc%3D250320%26meid%3Dbfd39797ef364edf8a07677310865c6e%26pid%3D101195%26rk%3D3%26rkt%3D12%26sd%3D256108725951%26itm%3D275898478727%26pmt%3D1%26noa%3D0%26pg%3D2047675%26algv%3DSimplAMLv11WebTrimmedV3MskuWithLambda85AllKnnRecallsAndCassiniVisualRankerWithIsoCalib%26brand%3DDatsun&_trksid=p2047675.c101195.m1851&amdata=cksum%3A275898478727bfd39797ef364edf8a07677310865c6e|enc%3AAQAIAAABUJhgQCVQMNiMdHWIfVoOoEEV17BTrzrJIBLpH%2B7G1tmr6LbW6GxCi5cJVuKARaIw8u8a18iuW1XB4GguG2sb7sx96fY6TQxzseCoM4VvEpmPcYoYmZxMJ1MbToI5%2B1xtOEsTNZGisyNqUAVOA3%2FuhVLnLj9ODsnQrIJAJppmAvGamRrwHW36kmdGZm14r1aBHrI4AiUgn7tdeGaT4UHwSPYXvm5MsWiqCOB6vvaiyvZJHf27JAg2fP%2B8xIOP5ah6GRwOGIiY2HX1L0kWm%2F9rX0SSeWCsvALZr5yu%2FVIuEsWAEAbUPbG2vp0DFbqyDxmKi75aMTSl%2Fr8dImLaJmfZV2GHzJgd%2FtO0iMzBboQds%2Bq1wiiujuWTdxm3fmOJSXO9BPvt4OugUs%2FctswpY5oARv%2BZY5lIiHx4zKg0Fz0kLeKQ3kLnGqEPVxDw%2F1go0DmqLA%3D%3D|ampid%3APLX_CLK|clp%3A2047675

I agree Mark, I have always spent at least a day tinkering to try to get them started. I don't mind investing in tune-up parts to try to hear the engine purr.

I think that I would try to sell it as is. There may be someone out there with the desire for an early Z and the skills to restore it. However, I wouldn't be able to resist the urge to get it running if the engine will turn over. And, having been there before, prep it for a test run around the neighborhood.

I’m going to start with the body harness and see what the impact of the larger outer diameter looks like. If it’s overwhelming I’ll figure something else out for the dashboard. The body and engine have the room to handle it, but the dashboard may have trouble.

I finally got the motor back and installed. Ran it for the first time today. Fingers crossed it seems ok, slight hint of smoke when revving, but nothing like before. I haven't had a chance to do any fine tuning. Just happy its back together and not creating a smoke screen. We replaced the rings with a new set (Hastings). Best he can figure is the oil rings were poor quality and weren't scraping the oil. He didn't like the way they felt or looked. I am really good at removing and installing the engine. Pro tips.... Leave engine mounts loose on motor. Have a good load leveler on the hoist. I rigged mine so I could use a 3/8 impact on it, instead of the handle. 20230611_205016.mp4

That's a pretty low number car. I am generally opposed to parting these cars out, but there are always exceptions to that. Being stored in a field is really hard on the underside of the car! I don't think I would try to start it. I might oil the cylinders and see if it will bar over but starting takes a lot more effort and it will most likely need a rebuild no matter what. The upside is a great amount of the needed metal to restore the underneath has become available in the last few years and more is available every day.

Today, I experimented with my vibrating tumbler. I chose from parts I had already bead blasted and grabbed one of a few parts. I ran them in the tumbler for about two hours. I will post a few pics of my set up and media later. I did some searching on Youtube before deciding how to proceed. Following are some pics. I am not going to resize them like a typically do so the difference is easier to see. Glass bead blasted part is on the right (glass bead blasted and tumbled on the left): Glass bead blasted part is on the right (glass bead blasted and tumbled on the left): Glass bead blasted part is on the bottom (glass bead blasted and tumbled on the top): Glass bead blasted part is on the bottom (glass bead blasted and tumbled on the top): Glass bead blasted part which has been tumbled is on the right in each pair: For the large bolts in bottom of pic, blasted and tumbled one the top one.