Equus 3620 Vacuum Gauge
Wednesday, August 18, 2010 19:13Equus 3620 Vacuum Gauge Review

For under you can’t really complain about it. It’s definitely a light duty gauge. It’s not dampened and swings wildly in automotive vacuum applications. I got this instead of a 0+ motorcycle vac gauge for carb syncing. It got the job done, but I had to pinch down on the lines with a clamp significantly to get a semi steady, readable number. With a little extra effort I got the job done and saved in the process. I’d buy another if this one broke.
Equus 3620 Vacuum Gauge Feature
- Large, easy-to-read 3 ½-in dial face with dual-calibrated and color-coded scales
- Has 24-in oil resistant rubber hose with a universal fitting adaptor, tapered adaptor, and tee connector
- Heavy-duty Bourdon tube meter movement
- Helps to identify and diagnose system vacuum leaks and problems in the engine, and the various vacuum-operated motors and accessories
- For vehicles equipped with carburetors
Equus 3620 Vacuum Gauge Overview
This vacuum gauge provides an easy and efficient means of checking the engine vacuum or testing fuel pump operation. It helps to identify and diagnose system vacuum leaks and problems in the engine, and the various vacuum-operated motors and accessories. It accurately checks system fuel pressure on vehicles that are equipped with carburetors and features a 3 1/2-in easy-to-read face, a 24-in oil-resistant rubber hose with a universal fitting adaptor, a tapered adapter, and a tee connector.
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Customer Reviews
Worked perfect for my carb adjustments. – B. Andrews – Rolla, Mo.
This is built relatively well, the hose is long, and it has all of the fittings I needed. For the price, I don’t know of any better. The dial size is very nice. It is very easy to read. I do not know why some people had wild fluctuations unless they were at too low of rpms. I did my adjustments at 850 rpms and it was very consistent and stable. Then I backed down to 600 and it was still great.
solid metal construction, large dial, lots of fittings, great price – Tom D. – San Francisco, CA
Very happy with the gauge–it is solidly constructed with a solid metal case and glass face. The gauge is large enough (4″ across?) that I could rest it on the engine and read it from the driver’s seat as I adjusted the throttle. Nice also that it comes with enough hose and fittings to be useful right out of the box…
Best Product to detect Vacuum Leaks – G B – WA USA
Good Product and Good Price
Amazon has the best price on this item
Must need if you want to detect vacuum leaks on your vehicle.
*** Product Information and Prices Stored: Aug 18, 2010 12:13:04