1MZ-FE MR2 tach calibration. Replace 43K ohm resistor with 22K, replace 7.5K with 15-turn trimmer POT. Sync with external source.

I referenced Sengk's post on de-soldering the factory calibration resistors from the tach PCB and replacing them with a lower value and a trimmer potentiometer.

That post is here: [ Ссылка ]

I included detailed pictures of the tach resistors in my V6 swap thread (see post #55) here:

[ Ссылка ]

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