Can Martin Senour (Napa) Tec-base be reduced with SPI or does it require its own?

BTW, I tried finding out on my own but . . .

Martin Senour is Sherwin Williams relabled. I remember reading some post recently that S&W can be cut with regular reducer now. If that's the case then the same should be true of the Martin. To be sure you may want to look up their tech recomendations on-line.

The last year or so, S&W has been telling shops to use Urethane reducer in the 7000 base unless its a metallic.
They say the reason is to help with metallic control, I would think a shot of activator would do a lot better and be a lot cheaper.

I still haven't been told that. I'd like to know just what is in the basecoat stabilizer. It does seem to help metallics, so if the color is a metallic, especially a light colored one, I would say use the Martin Senour stabilizer because metallic control is marginal with this paint.

On a solid color, use SPI reducer with 1 up to 2oz per quart of activator. Yes, 2oz.:

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I wasn't able to find much information on their website. Actually I came away with more questions.
1. They show TRS2 or BCS2 and provide zero information on what either of them is.
2. They call them both "stabilizers" in one place and then TRS Solvents in another.
3. They call for the addition of TH704 with the BCS but not with the TRS.

I guess to be safe I will just use their stuff - whatever it might be.

Solid yellow.
When you say activator are you referring to the TH704?
Also, when you say stabilizer is this like a base maker that has to be added to complete the product?

i'm going to guess you got a price on rm for yellow and you nearly fell over!!

depending on the formula, yellow can be a big deal for coverage. some of the bright ones need a pure white base to go over first as they never completely hide anything or cover. yellow is always one of the most expensive colors and the coverage can be poor. most of the oem formulas in rm are 3 coats for yellows. i have shot some real bright formulas (non oem) that were like a candy and never covered. coverage is definaltely something you want to look into when picking your paint line. a deal ain't always a deal if you know what i mean.

I hear what you are saying about coverage and I have explained that to the customer hoping to get him to at least buy the PPG but parting with the extra money is the problem.
I even offered to sell him my SPI red to do his car but he wants a two tone and the only place to cut prices is on the paint itself.
My plan is to strip it, epoxy and then 2k Buff, paint it all white and then mask and shoot the yellow. I am hoping the buff under the white will help with the yellow coverage.

So it's obvious that there isn't anything in there that is incompatible with other bases, in fact I have used stabilizer to reduce SPI intercoat when it is to be used as a blending agent intermixed with base-coat.
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Crash that was pretty good, I would almost assume from what you are saying is a reduced and cheap-ed out 2020 intercoat may be the same thing. Hey not that I would know, just a 2 cent opinion.