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The Great Tire Experiment Continues

The Great Tire Experiment

continental tire
MVS Forums contributor northernlights posts about his experience with Continental, and now Bridgestone tires:

“After 29k miles, and more tire rotations than any sane person would do, it was time to replace my used up set of 205/55R16 Conti DW’s. So, against the recommendations of Moderators, Volvo USA, Attorneys, Preachers, the NSA, and my Mom, I decided it was time to try out a set of OEM 205/50R16’s on my now certainly doomed 20 year old Columba (which is Portuguese for ‘Bends easier than public opinion in an election year’) wheels.

I bought a set of 205/50R16 Bridgestone Potenza RE760‘s based on reviews and price. So far so good, as they ride much smoother than the worn out Conti’s, and seem to handle fine in the dry.


Why the change? Aside from the horrible wear marks in my poor wheel liners, a slightly inaccurate speedometer, and strange undulations during parking lot maneuvers, there weren’t really any negatives to the 205/55R16 size. But, I wondered what Volvo had in mind way back in 1990-whatever when they were doing the design work. The original size was probably chosen for a good reason.

And based on my experience with Volvo to date, it seemed like they usually made good decisions, at least through the 60’s and 70’s, like seat belts, padded dash boards, copper-nickel brake lines that never rust, O2 sensors that reduce emissions 10x more than specified, etc, etc. So after some soul searching, I decided to take the plunge and try out the original size, deciding my results would depend on the answers to these three true/false questions:

  1. Sometime after 1980, Volvo engineers became idiots
  2. People drive on flat tires, and wonder why bad things happen
  3. Tires have gotten better in the past 20 years

As I have addressed #1, at least from a historic basis, allow me to elaborate on #2. I have observed that, in general, very few people ever bother checking their tire pressure. Find a random person with a car more than three model years old, and see how much air is in the spare. In the past several years, I’ve seen numerous temporary spares partly shredded, yet safely stowed back in the trunk, implying they were probably driven on with little to no air pressure, until they essentially exploded. Say, maybe like an unnameable vehicle with tires intentionally left underinflated to soften the ride? TPMS anyone?”

The great tire experiment continues

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