Haven't been on this page in several years. But have always found this to be the place for real answers. I have a 1969 SS Nova am downsizing my rear tire and wheel combo from a 15/50 on a 10 inch rim to a 15/60 on an 8 inch rim. I want to get rid of the air shocks and ride on normal suspension. What would be my best/tallest tire and wheel(backspacing) fit for the rear of my 69? I have had the rear wells rolled under to provide a little more room. My fronts are now on an 8 inch rim and are 60 15's. As always any help is greatly appreciated and thanks in advance.