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Product # 3707-SP

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  • 2-5/8" (66.7mm)
  • Air-Core Air-Core
  • 0-8,000 RPM
  • Incandescent
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Since 1957, AutoMeter has set the standard in performance, accuracy and durability with their legendary Tachometers. The absolute pinnacle of engineering and technology, it’s no wonder AutoMeter can lay claim to more motorsports victories than every other gauge manufacturer combined. The patented air core meter movement, wound in house to exacting standards, can move the needle from 0 - 8,000 rpm in 333 milliseconds. An inaugural inductee to the Hot Rod Speed Parts Hall of Fame, no other tachometer on the market has had anything approaching its impact on professional racing. Built for a lifetime of service under the harshest conditions, this is the no compromise tach for no compromise builds. When you’re ready for the best, there isn’t another choice.

Feature Points

  • Traditional incandescent lighting illuminates around the perimeter of the dial
  • 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system
  • Gauge kit includes bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation
  • AutoMeter’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
  • Compatible with 2 - 4 pulse ignition signals (4-8 cylinder engines) with points, electronic, and most 12V high-performance racing ignitions.

Bulb & Socket

  • 3220

Light Covers

  • Red 3214 & Green 3215

Mounting Hardware

  • 3245
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2-5/8" PEDESTAL TACHOMETER, 0-8,000 RPM, ULTRA-LITE Product # 3707-SP Can this Tachometer be mounted in-dash. I have limited on space and can not use 3 1/8 or 3 3/8 in- dash models. Thanks Jim

Asked by: jim c
Thank you for your question. This tachometer features a cup that can be removed to expose a case that will mount into a 2-5/8" diameter hole. However, there are no mounting studs like you would find on a traditional in-dash instrument, so you would have to come up with a way to secure the instrument in the dash.
Answered by: Zach from AutoMeter
Date published: 2019-02-01

How do you change the backlight bulb in this model?  All my other Autometer gauges are straightforward in that regard.  This one has me stumped.

Asked by: Kannonball 502
Thank you so much for contacting us. It's pretty simple on this one. You want to remove the allen head screw from the back of the gauge cup and slide it off (the gauge itself will need to be removed from the mounting bracket). Once the cup is off, you'll see the light socket. It can be popped out and the bulb can be replaced with an off the shelf 168 style wedge base bulb. Hope this helps!
Answered by: Joseph At AutoMeter
Date published: 2018-06-30

Does this part come with the cup & mounting bracket as shown in the picture?

Asked by: bobalos
Thank you so much for contacting us. This tach comes exactly as pictured - in a cup with the mounting bracket. Hope this helps!
Answered by: Joseph At AutoMeter
Date published: 2018-05-21

Will this work if directly connected to the Tach output on a GM MEFI 4 EFI system?

Asked by: bobalos
Thank you so much for contacting us. In most cases, our tachs should work great hooked up to the engine speed signal output from the ECU. It is important to note that this holds true for stock ECUs that have not been flashed or otherwise had their software/firmware modified. In some instances, modifying the ECU can degrade or eliminate that engine speed signal, requiring a direct connection to the ignition system. Hope this helps!
Answered by: Joseph At AutoMeter
Date published: 2018-05-21

Hi, can any of the pedestal tachometers fit into one of your gauge mounting panels? Or do they need to be mounted on their own in their own bracket? Also can I order directly from this website or do I need to order through a stockist in Australia?

Asked by: David R
Hi David, thank you so much for contacting us. These pedestal mount tachs will unfortunately not fit into a gauge mounting panel. They will need to use the included hardware. You can order directly from our website to Australia. We charge a flat rate of $99.95 for shipping regardless of the size of the order. This works out well on larger orders, but not quite as well if you only need a couple of things. In Australia, Rocket Industries does a fantastic job with our product line and keeps a large assortment on hand. Hope this helps!
Answered by: Joseph From AutoMeter
Date published: 2017-12-04
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