Jump to content
Sign in to follow this  


Recommended Posts


Does anyone have good knowledge of using these things?

I bought one, read the manual and tried to use it without much luck. Is the reading correct when the little wire is vibrating a lot at the end? Like a big dog that sees a bone?

I tried to calibrate it against my Toyota 4-cylinder and my Suburban V-8.

Engine Tach Vibratech

Toyota 2000 4000

Suburban 2100 3500

Lawnmower ---- 3000 full power

XR400 ---- 1300, 1/8 turn on idle 2600.

I'll give it another try, then I'm sending it back.

Anyone know of a good inexpensive digital Tach?

Share this post

Link to post
Share on other sites

The manual is a little vague but as best I can tell, when the wire vibrates with the most movement you are on the RPM of the motor. It is certainly not as accurate as a digital tach but OK for quick idle adjustments or roughly dialing in the fuel screw. It does take some practice.

Also this is designed for a single cylinder engine so I am not sure it would be accurate on you cars.

How do you know your XR 400 idles at 1300 rpm?

Yo can get an induction type tach for $30-40. Here are a few links:




I have both. I use the Vibratach on the road and the digital tach in the garage.

Share this post

Link to post
Share on other sites

Fellow TTer gave me this site http://tinytach.com/

Has function as a tachometer (goes to 9999rpm so can't really see if the 13,500rpm rev limiter really works) also used as a maintenance hour log to keep track of time on motor.

Share this post

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Reply with:

Sign in to follow this