Quote Originally Posted by R Pope
You have a problem there. The '58 block won't have the holes for the T350 starter, and the old style can't be adapted to it. I think you're stuck with finding an iron Powerglide if you want to keep the old engine. Or adapt a T5 and learn to love shifting!
If I remember correctly, I read on another forum that you can drill the block to accept a later style starter. Check to see if there is enough space on your block to drill and thread the two holes.