What do you use for tire pressure gauge? - Wrist Twisters
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post #1 of 20 Old 03-02-2017, 06:58 PM Thread Starter
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What do you use for tire pressure gauge?

I've been using Accutire for quite a while now because it was highly rated, but last time when I had to replace the battery, it wouldn't work any more, so I had to buy a new one.

TBH, I'm tired of replacing something this often. I'm looking for one that is manual and accurate.

Anyone use a manual tire gauge that is accurate?

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post #2 of 20 Old 03-02-2017, 08:02 PM
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I just give my tire a good kick. I'm accurate to a 1/4 PSI

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post #3 of 20 Old 03-02-2017, 08:04 PM Thread Starter
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Quote:
Originally Posted by nathanktm View Post
I just give my tire a good kick. I'm accurate to a 1/4 PSI
Ok, so what kind of boot do you wear for the kick?

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post #4 of 20 Old 03-03-2017, 07:19 AM
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is that a kick with or without flipflops?

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post #5 of 20 Old 03-03-2017, 12:24 PM
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I just use a cheapo digital psi reader. $2-3 I think at Harbor freight or auto stores.

If you're stressing about the accuracy of a psi reader within 1-3 psi but not about using a wire brush on a rotating chain powered by an engine in gear, your priorities are really fucked up at this point.

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post #6 of 20 Old 03-03-2017, 04:28 PM
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Below is the link where they tested various types.

All Tire-Pressure Gauges Are Accurate | Mythbusters | Super Streetbike

I have always just used the stick type gages. I figured they were close enough.

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post #7 of 20 Old 03-04-2017, 03:47 AM
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I've been using this old stick gauge for years. "Borrowed" it from some workplace when I was kid, didn't take it back. Checked it against mate's gauges, all good. Made in England.
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post #8 of 20 Old 03-04-2017, 05:25 AM
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I dont even know where my stick guage is, or went to. Any auto parts store has a decent digital guage for $12 or so. The one l have is sold by "Slime".

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post #9 of 20 Old 03-04-2017, 10:15 AM Thread Starter
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I have a digital, but I'm tired of having to replace the battery after some 10-20 uses.

Should be able to get a dirt cheap mech type that works good.

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post #10 of 20 Old 03-04-2017, 12:13 PM
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Accugage Dial Tire Pressure Gauge With Hose - 0-60 PSI | MotoSport
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Four wheels move the body ... two wheels move the soul.
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post #11 of 20 Old 03-04-2017, 01:27 PM
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I used to work at a bike shop so I have a high end bike pump that I use. I also use it to pump up my tires...

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post #12 of 20 Old 03-04-2017, 06:57 PM Thread Starter
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I got the Slim round disk manual type from Walmart for about $6 and it fits great, holds the pressure reading. Most important it DOESN'T take a battery.

Lot to be said about old tech.

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post #13 of 20 Old 03-06-2017, 07:30 AM
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I use the CycleGear house brand dial gauge. It works.

https://www.cyclegear.com/accessorie...auge-with-hose

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post #14 of 20 Old 03-06-2017, 12:28 PM
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I tried one of those but it clangs around a lot at highway speeds

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post #15 of 20 Old 03-06-2017, 03:07 PM
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You can buy any gauge you want from $2 to $600, but if you don't at the very least check the calibration against a verified source you have no idea if it is accurate or not nor do you know if it is consistent.

I live in a world at the track where 1-2 psi can be the difference between a tire that lasts for a few laps or one that lasts for a few weekends. I have seen $12 Accu-gauge branded products produce consistent results for 2 decades and I have seen $450 liquid filled gauges be 6lbs off.

You have to test them against a known pressure source. I mean it is no problem to use a gauge that reads 2lbs high as long as you know it always reads 2lbs high, but simply trusting a gauge without any type of verification is risk I am not willing to take and you shouldn't either. Every weekend I work at the racetrack tuning suspension I get at least 3-4 riders coming up to me with what they think is a suspension issue based on poor tire wear and when it turns out to be an incorrect tire pressure they are almost always flabbergasted. Never underestimate the value of an accurate and consistent tire gauge.
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post #16 of 20 Old 03-06-2017, 03:35 PM
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Where does one go to check the calibration of their air gauge

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post #17 of 20 Old 03-06-2017, 03:40 PM
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The Racetrack.

Alternatively you can compare it to someone that does know their gauge calibration.

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post #18 of 20 Old 03-06-2017, 04:16 PM
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In my garage, I use a Moroso bourdon tube type gauge that's similar to the Motion-Pro but is not liquid filled.
The beauty of such gauges is that that gauge element can be changed to something better.
I will admit I have never confirmed the accuracy of the gauge, and now must find a way to do so!
On the road, I use a digital that is consistent with identical travel gauges for our cars.
A good indicator of gauge quality is repeatability.
If one does 3 - 5 tests in a row and gets lots of scattered results, consider the gauge as being highly suspect and being of the ballpark variety at best.

Another point.
Air pressure gauges indicate relative air pressure, not absolute.
So, at 5500 ft altitude (Denver for example), a 32 psi pressure gauge reading means an absolute tire pressure that is 2.7 psi softer than at sea level in terms.
Absolute pressure is what supports the tire, not gauge pressure.
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post #19 of 20 Old 03-06-2017, 04:24 PM
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I use these as my #1 Motion Pro Analog


I don't trust the Motion Pro digital ones. I work for tire vendors at some track events when I am not doing suspension and more times than I can count the digital gauges, every single one of them reads differently or just plain doesn't work at all so I decided to stick with a unit that A. does not require batteries & B. is not in every other trailer in the paddock to help minimize the risk of it umm walking off...

The downside is you have to pop the little vent on top to equalize pressure before each use and in the process they weep a little glycerin which is another turn off for most people looking for a free tire gauge to snag.

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post #20 of 20 Old 03-06-2017, 05:08 PM
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Quote:
Originally Posted by LDH View Post
I use these as my #1 Motion Pro Analog


I don't trust the Motion Pro digital ones. I work for tire vendors at some track events when I am not doing suspension and more times than I can count the digital gauges, every single one of them reads differently or just plain doesn't work at all so I decided to stick with a unit that A. does not require batteries & B. is not in every other trailer in the paddock to help minimize the risk of it umm walking off...

The downside is you have to pop the little vent on top to equalize pressure before each use and in the process they weep a little glycerin which is another turn off for most people looking for a free tire gauge to snag.
Nice bit of kit, that's for sure.
I too will take a good Bourdon type instead of a digital any day of the week.
Besides, they are much nicer to hold and use.
I see from the M'P' pic' that the gauge is rated for +/- 1.5 % accuracy of full reading, in other words +/- 0.9 psi. I did a fast search on the Moroso's, they are 2 % but don't state if that is +/- or range. Each one is calibrated, but they are not liquid filled, so my guess is that their 2% is +/- type thus meaning +/- 1.2 psi accuracy.
A gauge can be off ("accuracy") but be highly repeatable ("trustable").
When I get around to proofing my Moroso, I'll post the results.

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