How Tire Pressure Is Affected By Over Inflation And Temperature
Question:
We bought a tomato and I set tires at 80 psi. Is is showing between 85 and 87 now, we are driving, , when are tires to hot or too full ?
asked by: Annette
Expert Reply:
Heat can affect your tires, in general, tires gain or lose 1 PSI for every 10 degrees change in temperatures. Theoretically your tires could inflate up to 2 PSI after a day of driving if the temperature rises 20 degrees. Since you mentioned the PSI increase was after you were driving I do not think it was overinflated.
You could use a TPMS system like # TST-507-RV-4-C to monitor your tire pressure levels. You'll want to keep the high temperature alarm setting of 158 degrees set. The alarm should be set for 20-25% over your normal tire pressure, and the low pressure alarm to be 10% below normal.
Products Referenced in This Question
TST TPMS for RVs - Color Display - Signal Booster - 4 Tire Sensors
- TPMS Sensor
- RV
- Trailer
- Mounts to Valve Stems
- 4 Sensors
- Standard Sensors
- Water Resistant
- Monitor Display
- TST
more information >
Product Page this Question was Asked From
Kenda K353 Bias Trailer Tire - 5.30-12 - Load Range C
- Trailer Tires and Wheels
- Tire Only
- Bias Ply Tire
- Load Range C
- 5.30-12
- 12 Inch
- K - 65 mph
- Kenda
more information >
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