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Blue Tooth Active Tire Pressure Sensors?

KazarS197

TMO Intermediate
79
108
Pittsburgh
I did some research and appears that the S197's only have TPMS capabilities of alarming for low pressures and no live pressures. Please correct me if I am wrong. All this electronic stuff over that past year has me thinking what about blue tooth sensors. I realize they are imported and possibly junk. Optimistically - what if they do work? Could it save time between sessions or even help develop a pressure setting specific to a track?

Has anyone tried these? Thoughts ideas? I'm willing to try them out but only on the street at first. All of the sensors require batteries. The first thing I would do is change out the batteries for new duracells so there is no question of function and go from there. See what readings are and check with an accurate gauge to compare. It looks like they all have a lock nut to help prevent people from stealing - I don't think I would use just so I could get them off quickly in case of a leak.

Theses are only examples of 3 variants that I found:

1. Sensors that are blue tooth that connect to your phone via an app


2. Sensors that connect to a device that connects to a USB port with solar charging and external display.


3. Sensors that connect to a device that plugs into the 12 V port ( cigarette lighter ) and external display. I like the idea of this style since we have the 12v port dead center in the dashboard for easy viewing.

 

xr7

TMO Addict?
309
288
Minnesota
Autocross
5-10 Years
I run a TPMS on my RV trailer, there are lots of options. My concern would be the speed you run on the track. The faster you run the more that sensor is going to be trying to depart. On the RV ones that attach to the valve stems you need to run a metal valve stem to support the forces caused by the spinning tire. My system does have lock nuts for theft protection. Some systems offer temp readings but I don't believe it provides any relevant info unless the tire is on fire or the brakes are dragging really bad. I think there are some internal sensors that also provide temp readings and that might be more useful.
 

JAJ

TMO Addict
888
826
In the V6L
I did some research and appears that the S197's only have TPMS capabilities of alarming for low pressures and no live pressures. Please correct me if I am wrong. All this electronic stuff over that past year has me thinking what about blue tooth sensors. I realize they are imported and possibly junk. Optimistically - what if they do work? Could it save time between sessions or even help develop a pressure setting specific to a track?

Has anyone tried these? Thoughts ideas? I'm willing to try them out but only on the street at first. All of the sensors require batteries. The first thing I would do is change out the batteries for new duracells so there is no question of function and go from there. See what readings are and check with an accurate gauge to compare. It looks like they all have a lock nut to help prevent people from stealing - I don't think I would use just so I could get them off quickly in case of a leak.

Theses are only examples of 3 variants that I found:

1. Sensors that are blue tooth that connect to your phone via an app


2. Sensors that connect to a device that connects to a USB port with solar charging and external display.


3. Sensors that connect to a device that plugs into the 12 V port ( cigarette lighter ) and external display. I like the idea of this style since we have the 12v port dead center in the dashboard for easy viewing.

Michelin Sport Cup 2 Track Connect is exactly what you're looking for. Thing is, it's only on MPSC2's.
 

KazarS197

TMO Intermediate
79
108
Pittsburgh
Michelin Sport Cup 2 Track Connect is exactly what you're looking for. Thing is, it's only on MPSC2's.
Thanks! That's pretty cool option. It's pretty expensive though - $50 per tire more and $500 for the kit. I know you get what you pay for but new to this hobby, and probably can't swing $2500 for a set of tires and sensors on the next go around. With tax I'd be up to $2675.
 

JDee

Ancient Racer
1,030
915
halfway between Mosport and Shannonville
W2W Racing
20+ Years
I don't believe these things are accurate enough for track use. They're not legally mandated in Canada anyway so I stopped using them long ago, they're just an expensive PITA. You really need a good tire pressure gauge like a Longacre or similar and get those hot pressures and tire temps across the face of the tire recorded as soon as you get off the track and out of the car. I would definitely not rely on TPMS for accurate pressure monitoring.
 

KazarS197

TMO Intermediate
79
108
Pittsburgh
I don't believe these things are accurate enough for track use. They're not legally mandated in Canada anyway so I stopped using them long ago, they're just an expensive PITA. You really need a good tire pressure gauge like a Longacre or similar and get those hot pressures and tire temps across the face of the tire recorded as soon as you get off the track and out of the car. I would definitely not rely on TPMS for accurate pressure monitoring.
I would not trust those digital readings as even close to accurate - only as a ballpark. It was just one of those novelty thing ideas... I definitely like analog gauges. I tried out the $25 Jegs 0-60 gauge and was surprised how accurate is was when comparing to another higher end gauge. Unfortunately, it doesn't have 1/2 PSI increments but was still able to adjust my friends Vette up 1/2 lb down 1/2 pound per corner so when hot all ended up registering the same PSI the whole way around. FYI anyone running Pit Race it's much harder on the left side and left front left of a car. It's been a couple years lets see if I can remember where I had to set the Vette - FL 25.0 FR 25.5 BL 25.5 BR 26.0 for all to end up I think at 33 or 34 or something like that.
 

TMSBOSS

Epic Contributor
5,651
2,621
Illinois
HPDE
5-10 Years
The Bluetooth sensors mentioned are designed to fit on trailers and let the driver know he/she has a flat or soon to be flat tire. When a trailer tire fails and is not detected, the carnage to the trailer can be substantial. A great tool for preventing this. Not so much for following tire pressures to the extent we need.
 

TymeSlayer

Tramps like us, Baby we were born to run...
3,543
2,327
Brighton, Colorado
HPDE
3-5 Years
I have these on my Car Hauler and my Travel Trailer. They are not very accurate at all. I've had them go off and when I checked with my Longacre gauge, the tire pressures were within the set range. They do however work when there's a significant drop in tire pressure. They are not really good for track use. I think the brand I have is Tymate.
 

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