Same guys and yes, they seem to know their product.
Have you ever had a project that pushed you to the edge of selling it all and buying a KIa?
You've all been privy to my struggles with the 4L80e transmission swap. I got so frustrated that I parked it in my garage and left it for a while. The crazy part was, when I did what I thought was right and quit listening to TCI (they sell the transmission control unit made by Powertrain Control Solutions) it seemed much better. That involved making major changes to the table that controlled the throttle position sensor VS line pressure. Of course my opinion was based on my putting it on the trailer and pulling it off the trailer and into the garage.
So I figured I'd take a break from flailing at the transmission and install the electronic gauges. What the heck, that would be fairly non-invasive and allow me to still keep moving forward, right? Wrong. I put it all together and the new electronic tach didn't budge. Oh, and the temperature gauge I wanted to retain didn't work either. I decided that I'd swap my known, good working oil pressure/temperature gauge into the modified cluster. That was no big deal The tach manufacturer was called regarding the non-functioning tach. After a few tests it was returned to them for repair.
I bought a Speedhut Revolution series speedometer and tachometer because they could be fitted to the stock dash bezel without modification. In that respect, they work as advertised. Today the repaired tach came back and I went to work. Sure enough, this time it powered up and I was able to set the shift point and the progressive lights leading to the shift point. It even allowed me to set the brightness level.
Then I fired up the car. At roughly 2000 RPM and up it was steady and showed the progressive shift lights as advertised. At idle it bounced like Tigger from Whinny The Pooh on a combined caffeine and sugar rush. Hey, no big deal, I'll cut that purple loop wire that they say to cut if you have excessive electronic noise and and erratic needle. So I did. Now it reads the idle just swell. Of course it won't read any RPM over about 2500 but, hey, you can't have everything, can you?
(gotta laugh at this point)