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🏎️ high-performance auto meter 3690 sport-comp ii 3-3/8" 10000 rpm shift-lite tachometer - ultimate precision for automotive enthusiasts logo

🏎️ High-Performance Auto Meter 3690 Sport-Comp II 3-3/8" 10000 RPM Shift-Lite Tachometer - Ultimate Precision for Automotive Enthusiasts Review

3

Β·

Very good

Revainrating 4 out of 5Β Β 
RatingΒ 
4.0
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Description of 🏎️ High-Performance Auto Meter 3690 Sport-Comp II 3-3/8" 10000 RPM Shift-Lite Tachometer - Ultimate Precision for Automotive Enthusiasts

Modern white LED through-the-dial lighting provides clear visibility during nighttime use. Compatible with 0.5 - 6 pulse ignition signals (1-12 cylinder engines) with points, electronic, and most 12V high-performance racing ignitions. Auto Meter’s race proven air-core electric tachometers provide quick and accurate readings with a needle so responsive it can go from 0 - full scale in 333 milliseconds. 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system. Optimize use of your engine's power band and improve vehicle run performance and driver gear changes with a rapid response, high visibility user-programmable shift light.

Reviews

Global ratings 3
  • 5
    2
  • 4
    0
  • 3
    1
  • 2
    0
  • 1
    0

Type of review

Revainrating 3 out of 5

Unreliable and Inaccurate Shift Indicator

This car gauge was a major disappointment in my automotive experience. Through trial and error, I found that the shift light was extremely inconsistent and often delayed or failed to even illuminate at all. This made it difficult to make quick and accurate gear changes while driving. The only positive aspect was the sleek design, but unfortunately, that doesn't make up for the lack of reliable performance.

Pros
  • Sleek design
Cons
  • Inconsistent, delayed or failed to illuminate properly.

Revainrating 5 out of 5

looks great, works great.

Tip: I made a low-pass filter using a 10 kΞ© resistor and a 0.1 Β΅F capacitor, which stabilized the readings. Without the filter, the readings were uselessly wrong.

Pros
  • Lighting and Power
Cons
  • Periodicity

Revainrating 5 out of 5

looks great, works great.

Tip: I made a low pass filter out of a 10kΞ© resistor and a 0.1uF capacitor, which stabilized the readings. Without the filter, the readings were uselessly wrong.

Pros
  • Inspires trust
Cons
  • The list will be long.