So, what's this entry about. That year I decided to deal with the tachometer. Since I now have a six-cylinder engine under the hood, the tacho lies and understates RPMs. mastaf found a tacho from a four-cylinder TOYOTA in his treasure trove and sent it to me in exchange for something, details of the trade are commercial secrets. So, after installing the tachometer, I was overjoyed as it showed correct RPMs, though not for long and nervously jiggled at idle speed. Around 500 kilometers later, the needle dropped and didn't come back to life. When I put back the six-cylinder version, it lies again but shows something. Found two more six-cylinder tachometers; they don't jitter and naturally lie.
So, how to revive the four-cylinder tacho and what's the fundamental difference between them? Clearly visible from assembly and soldering is that the six-cylinder version is assembled much better and with higher technology. If Kaluga folks are reading this entry, maybe there are electronic experts in our commune who know what these green and multicolored components soldered to the board do and don't work, no mechanical damage is visible.
On the left four cylinders on the right six
Left four / right six
six-cylinder
four-cylinder
It's evident in all elements that the assembly of the four-cylinder version is uncomfortable
The version with a six-cylinder engine has high-quality assembly
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