Yup. You haven't provided enough info on what YOU want out of it.
Sure, the rust needs to be fixed no matter what you're going to do, but beyond that, what do you want?
You bought a basket case, that much is clear. The only way you get anywhere is set a goal. If you set a goal, we can help...
The 4L60 is a renamed 700-R4. If he can get a bellhousing that lines up, and wire up the convertor lockup, it'll work.
The 4L60E is the one with the computer controlled valve body.
Nitrogen's advantage has nothing to do with molecule size.
Commercial nitrogen is completely dry. No moisture. The difference in tire pressure that comes from heat is mostly due to expansion of the water in the air inside the tire. Get rid of the water and tire pressures become much more stable...
Whether they're a better price is kind of irrelevant. They provide brake boosting electrically with no high pressure fluid involved. That's a bargain at twice the pice.
Hydroboost was obsoleted by these. It's over. Nobody should bother with Hydroboost ever again.
Not a financial guru, because a thing like that doesn't exist. They're all snake oil salesmen.
But I do know the law regarding 401ks, and you don't have to take my word for it because two minutes with google answers your question.
You don't have to move it. You are vested in it after 30 years...
Why? The current draw on an LED that small is miniscule. You don't need 18ga to the board. Just extend the lead, don't try to desolder it if you're not experienced with it. Most of these micro-electronics have contact pads so small you're likely to ruin it if you don't have some practice and the...
Just get new ones:
https://flyinmiata.com/products/stage-8-hardware-with-inconel-studs
These Miata parts fit our turbo, and the inconel studs won't fail or gall. Ever. And if it does, the kit comes with four and we only need three, so you get a spare.
It will work fine. It will not be cheap. It will be cheaper and easier than repairing your rusty doors. It will not be cheaper than securing a set of good used doors.
There is no such thing as a "vegetarian meat."
It's processed protein product. With more processing steps than spam or a McDonald's quarter pounder.
Ever watch Blade Runner 2049? Dave Bautista's character? Protein farmer? Same, except that movie had the honesty to admit doing it at scale...