I am trying to buy new tires for my Oldsmobile Alero and I have 215/60r15 on them right now and the tires I want are 215/55r16. Will the new tires fit on the old rims?
Please don't even think of trying it!
I'm not exaggerating ... if you were to find some inexperienced person to try to install these tires of the old rims they could actually have their head blown off.
The R16 says you have a 16 inch hole in the center of your tire, and you are trying to mount this on a rim which measures only 15 inches, even though the flange may make it look like a tire with a larger hold would fit, when the high pressure is applied to make the tire seat on the bead if could cause that tire to fly off and injure the person doing the mounting.
Even if the installation were successful there are dangers that the tire will come off when you are driving it, so just don't do it ever.
Never try to mount any tire on a rim that is not the same diameter as the tire. Even going the other way, putting a smaller tire on a larger rim has safety issues.
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