4 WHEEL DEFEFLATION/INFLATION SYSTEMS

[Nokones]

If you buy a 4-Wheel Deflation/Inflation System, such as Speedflate, and this is not just specific to Speedflate, to work with your air compressor when you air down/up, just be aware that the associated gauge may not be accurate when you first pull the system out of the bag. Unfortunately, there is no accompanying information alerting you that more than likely you need to check the gauge calibration before you use the system. Also, there is a specific calibration procedure to perform to verify the gauge's calibration. Without the gauge being calibrated, the gauge can be 6-8 pounds from being accurate.

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[rdfact]

Yup, I have the Speedflate and the gauge is off about 3-5 PSI depending on the phase of the moon or something. The calibration did not help either. If I recall they have you calibrate to 80 PSI which makes no sense considering most won’t see over 35-40 PSI max.

 

[Nokones]

I believe you're missing the point/purpose on the 80 PSI. The 80 PSI is nothing more than a reference pressure sample point for the gauge firmware to verify the accuracy and make the necessary corrections during the calibration procedure. Without a specific reference point the gauge would not know how far off the accuracy is during the calibration procedure and what corrections need to be made for the accuracy. After the calibration procedure is completed, the gauge will display "PAS". Sometimes it will take 2-3 calibrations to get it properly calibrated. It took me two tries.

The 80 PSI reference pressure sample point has nothing to do with what pressures you're going to use in your tires.

You have to connect the gauge to a regulated source of 80 PSI that will not fluctuate during the calibration procedure. You will need an air compressor with an adjustable regulator that is set at 80 PSI in order to perform the calibration procedure properly if you want the gauge to be accurate.

Also, you have to follow the calibration procedure to a "T" and make sure that you have fresh batteries and the display battery indicator is not articulating up and down.

My Speedflate gauge calibrated out to not vary more than a half a pound to a full pound as compared with a high quality tire gauge for race tires and the onboard TPMS.

 

[JINO]

I wanted one of those 4 tire inflator, but after seeing many struggle with them, I decided not to. They seem to be difficult to get back into it's bag haha, that or there will be a leak somewhere and the whole thing won't work.

 

[Nokones]

I wanted one of those 4 tire inflator, but after seeing many struggle with them, I decided not to. They seem to be difficult to get back into it's bag haha, that or there will be a leak somewhere and the whole thing won't work.

The coiled hose System is a handful. The straight hose system is not a problem and easy to get back in the bag. The air chucks do not leak thus you won't have any inflation problems.

 

[JINO]

The coiled hose System is a handful. The straight hose system is not a problem and easy to get back in the bag. The air chucks do not leak thus you won't have any inflation problems.

Nice. I do like rhino products too.
But trying to knock out the priorities first.
Ball joints, tie rod and drag link, and regear.

I have a viair compressor, and works well, just takes longer.

 

[Nokones]

Nice. I do like rhino products too.
But trying to knock out the priorities first.
Ball joints, tie rod and drag link, and regear.

I have a viair compressor, and works well, just takes longer.

The inflation system is a Speedflate System. I'm just using a Rhino carrying bag for it.

 

[dlong1119]

If you haven't seen it a couple of us built our own 4-way air kits, usually around $90-120 depending on exactly what you use. Here's a link to the part of the Vevor compressor thread where we start talking about it, and in post #83 I have a link to another write-up I'd found on a Bronco forum about building one. I'm pretty happy with mine so far and it stows away really easily since I built it to be modular with each side detaching and usable as a 2 or 4 tire setup.
https://www.jlwranglerforums.com/fo...ressor-15-hrs-only.130245/page-6#post-2721195

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