Originally Posted By da50r
How can it be? My car has factory drums and is confirmed a 4" bolt pattern. Not saying never, but my car is 4" bp front and rear. As for keeping the drums ... Why? Disc, simpler, easier, better. I can't tell you how many times I've driven drum front vehicles and they pull to one side or the other on initial brake. That's just a short list. Disc are the way to go.

Yes, being 4 inch I would change out too. Just thought you had 4 1/2 drums.