RX7Club.com - Mazda RX7 Forum - Looking for a Digital Tach

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RPOdesign

07-09-15 07:10 PM

Looking for a Digital Tach

Looking for a Digital Tachometer for my FD. I'm pretty sure the Oem Tach is inaccurate right now, and I want to be a little bit for precise on my measurements.

FD has 118K on the Chassis.

What brands do you guys recommend?

Aaron Cake

07-12-15 10:04 AM

Why do you believe the OEM tach is inaccurate?

It is trigger by the ECU w/5V square wave, which the ECU generates based on the crank triggers. As long as it is mechanically working, then there really isn't a more accurate signal.

Looking through Summit it seems there are a few digital tachs available:
http://www.summitracing.com/int/sear...rder=Ascending

RPOdesign

07-13-15 09:14 PM

It's just that when I'm accelerating the Car, the Car feels a lot faster than what the Tach is Reading. Same with Decelerating. I want Digital Tach to show the exact Speed in Numbers. Thanks for the Link!

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