Originally Posted by 46fordtruck

The V8-60 was a narrower motor, it was made as an option to the full size flathead V8. They made about 60 HP, which is how they got their name. The French flatheads are the same size as the original flathead V8, so they would be too wide for use in a motorcycle. All the original flatheads are the same size from '32-'53, the 60 was just the smaller brother of them.