I know this "debate" is already over but.....I like it both ways,
. These are what I put on my 68, 20 x 12's with 7" BS and 18 x 8's with 5" BS. I did this because I didn't want to narrow the rearend. If time and money were no object, I would have narrowed the rear at least 2" on each side. That being said, I really like the look that I have....