15 x 8's were a fairly standard rim used back in my time. The key is the tire size. You will have thread width BUT the thing you want to know is sidewall width. Example, you can have a 9" wide tread width and 11" wide side wall section.Beautiful GTO!
I was going to go with 15 X 8 rear rims.
Jim,15 x 8's were a fairly standard rim used back in my time. The key is the tire size. You will have thread width BUT the thing you want to know is sidewall width. Example, you can have a 9" wide tread width and 11" wide side wall section.
Most tires will have a recommended rim width range. The width of the rim seems to be what affects the section width, not the tread width as that always stays the same. This is why you see some of the contemporary cars/trucks with funky looking sidewall bulges as they purposely get rims/tires to make this look. From my researching, you don't want a rim too narrow for a wide tire as the narrow rim will draw the sidewalls/tire bead way in (like squeezing it together) and the angle that the side wall will take as it rides on the rim can become too excessive and the rim can over time cut into the sidewall at the bead rather then the bead/sidewall ride in a more vertical position where the rim won't be grinding/cutting into it as the tire flexes about - or possibly slip on those really good traction days.
The Metric tires are rated a bit different than in my time, so just try to get your tread width, section (sidewall) width, tire height, and recommended rim sizes. Keep in mind that tire size changes (height) can affect your speedo accuracy.
If your suspension is worn, side-to-side play that will affect axle centering should be thought about. The rear-end will move/shift about as the car goes down the road, so allow room for this. In my experience, most of the rubbing, if any, seems to be in the wheel well due to its shape. Weak coil springs will have the car moving up and down and you want to take into acount any hard bumps that may cause the suspension to bottom out and put the tire higher into the wheel well when it does.
You may also want to google Chevelle of the same year as they would be a similar fit.