Tire inflation
We bought a used Jayco Grayhawk 31ft. Class C E450 frame. The tires were all inflated to 80psi. The door sticker says Rears 80psi cold and the fronts 65psi cold. Wondering what tire pressure all of yo...
Forum Discussion
Word of caution:
Those tire load tables are MINIMUMS!! You should use MORE pressure than the chart indicates. (I recommend 15%) That difference is called "Reserve" and vehicle manufacturers include some reserve when they specify the pressure on the door stick (called the placard).
Also, there will be side to side weight variation, so if you weigh only the axles, don't forget to include some factor to account for this. I recommend 10%, but that may be a bit pessimistic.
Those tire load tables are MINIMUMS!! You should use MORE pressure than the chart indicates. (I recommend 15%) That difference is called "Reserve" and vehicle manufacturers include some reserve when they specify the pressure on the door stick (called the placard).
Also, there will be side to side weight variation, so if you weigh only the axles, don't forget to include some factor to account for this. I recommend 10%, but that may be a bit pessimistic.
