Quote:
Originally Posted by Shiner
If I have 15x8 5.5" BS and I like the way the fill the wheel wells and I then want to put a 10" wheel would I need to get a 7.5" BS(to accommodate for the 2" wider wheel?
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So a 15x8 and a 5.5 BS will actually take more due to tire bulge. Im assuming you are running a 255 tire? 255 on an 8 is 3/8" average. The actual back space available would be 5 3/4" taking the tire bulge into account.
On an 18 or 17 wheel the tire bulge is less.
I would measure what you have then subract an 1" min for articulation room. For a 305 or 315 on a 10" wide you will need 12" of space. Average 70 Chevelle wheel tub is 14-14 1/2" wide. 1/2" to the outer and 1 1/2" to the inner should do.
Jack up the back and pull the wheels. Let see what you have?