confused.. yes i say that a lot

I didn't think they use 9" brakes on a v8 car. and especially not a 340 car.
but maybe they did on the newer cars.

It sounds like you have the wrong drums on your car, a new set shouldn't cost you more than $50. But make sure you have the tire clearance before taking off the spacers.

Measure your brake shoes, and buy the correct drums.