Boost gauge questions

[dozxab]

I searched here and got 3 year old posts and 2024+ results. Looking for a 52mm boost/vacuum gauge (to fit a pod I like) that connects to OBDII. I like the AeroForce but not sure it displays vacuum and is quite pricey.

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[PltFX4]

@dozxab I have an AEM Vac/Boost gauge in one of my cars. It works well... mostly.

It's digital with a sweeping outer ring.

The key thing I don't like is it is hard to tell when you have gone from vac to boost. The digital readout does not change colors nor does the sweep when you change from vac to boost or vis versa. On hard pulls or heavy load it's intuitive that your in boost mode but just cruising down the highway, where vac or boost may only be 10 inches, at a quick glance all you see is "10.1".. not "-10.1" or "+10.1"
The sweep markings are so small quick glance does not instantly tell you which. Had to put a red mark on the bezel at the zero mark on the sweep to see the change over.

Even on sweep hand style gauges same kind of issue. Whatever you choose, consider "use" detail.

Also, gauge prices seem to have gotten silly priced. My gauge is now $274... I bought it 5 years ago, at $90.