275/60/15 on 69 GTX - what wheel size?

I am planning to run the standard 275/60/15 on the rear of my GTX. What rim size would be best? 15x8 with 4.5 bs or 15x10 with 5.5 bs. Will a 10 inch rim make the tire look wider? Any pics would be great.

Thanks,

Steve

You can do a quick and simple plumb bob measurement from the leaf spring inside edge, the inner wheel house and the rim mounting surface.

The spring and wheel house will tell you the max width and the wheel mounting surface will tell you the backspace.

I just make marks on the floor and then measure with a ruller.

Most all tire manufacturer's have a chart listing the best rim width for their tire sizes. You can find them on the web.

You need to leave a minimum of 1/2" on both sides of the tires for clearance.

I run that tire size on 15x7 but they do bulge noticeably. 10" wide rims would make the tire look wider.

i would go with the 15x8 with 4.1/2 bs this looks really good on b-bodys 10s might have a space issue with the inner well.

15 X 10 5.5 BS.

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15 X 10 5.5 BS.

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