Yet another tire question
I'm throwing this in this section because it is the closest to my situation.
I just took over responsibility for maintaining our church van, a 2003 Chevy Express 2500 fifteen passenger van. The church bought it used about a year ago and someone got some "good cheap" new tires for it. We have about 6K miles on them.
I had someone take it in for maintenance and a thorough inspection by the local Chevy dealer, not a typical stealership, decent guys I went to school with. Got the report back with a warning that the new tires are not safe for the vehicle!
The techs acknowledged they were good tires, just not the right tires for the van. The tires on it are a 24575R16 "Standard Load" tire. Specs for the van call for a LT24575R16 E tire. From what I can determine a Standard Load tire is a four ply tire while the E designation means it should have a 10 ply tire.
I'm going to have to explain this to non car people who just want tires that are round and roll. The "Max Load" rating on the tires is 2403 lbs at 44 psi which works out to 9612 lbs. That's more than the gross weight of 8600 lbs of the van. How do I explain that doesn't relate to the load carrying ability of the tire at normal pressures? The recommended pressure on the door are 50 psi front and 80 psi rear, far more than these tires are capable of holding.
I'm also calling an inspector tomorrow to see if they would even pass it knowing the tire limitation. It passed once and is due again.
I'm already known as the guy that overbuilds everything. So I need to be able to explain this is a real problem and not just me wanting to prove a point. Any non-technical explanations would be great.
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