Tow vehicle tire pressure question
2500 series dodge truck, 10 ply rated tires Michelin tires pulling a tow behind trailer 5,700# I know the max tire pressure on my Michelin tires is 80 psi, but boy o boy do they ride rough at t...
Forum Discussion
Stay inside the door placard rating. The OEMs did a lot of testing after the Explorer/Firestone tire debacle according to tire engineer "CapriRacer". 2009 and later should reflect this. Latest recommendations are that having weighed the TV with trailer in tow and WD sorted,(individual wheel positions weighed and corrected cross axle to reflect heaviest loading) travel steady state one hour and check pressure. 5-7% tire air pressure rise expected from cold overnight reading. 10% or greater means more pressure is needed. After first stop travel same way another hour and check again. In both instances use minimal braking to full stop. If good, then proceed.
IMO, I'd like to know the range of pressure for given travel. I'd test for lowest. Same as with WD. I'd prefer to know the beginning and ending of the RANGE of adjustments.
Too high, as noted above, is not acceptable. Don't expect the rig to handle as solo or as with a load in the TV solo. Takes longer to react, for the rig to start to come around. Mess with built in understeer to your detriment, IMO. Some of us upgrade antiroll bars and add Panhard Rods, but it is caveat emptor as to "improvement".
Trailer tires are always to tire sidewall stated maximum. Use this and above as default.
Don't like the feeling? Upgrade the trailer suspension. Greater wheel travel and shocks on a leaf sprung trailer are givens for better performance. Best TT tires, not cheap ones.
IMO, I'd like to know the range of pressure for given travel. I'd test for lowest. Same as with WD. I'd prefer to know the beginning and ending of the RANGE of adjustments.
Too high, as noted above, is not acceptable. Don't expect the rig to handle as solo or as with a load in the TV solo. Takes longer to react, for the rig to start to come around. Mess with built in understeer to your detriment, IMO. Some of us upgrade antiroll bars and add Panhard Rods, but it is caveat emptor as to "improvement".
Trailer tires are always to tire sidewall stated maximum. Use this and above as default.
Don't like the feeling? Upgrade the trailer suspension. Greater wheel travel and shocks on a leaf sprung trailer are givens for better performance. Best TT tires, not cheap ones.
