I have a 67 firebird and want to change the wheels and tires to either 16" or 17" diameter rims.

My car has 31,000 original miles so I am staying with stock suspension and sheetmetal to keep it as original as I can.

I would like the stance to be a 1. slightly wider than stock front combo and 2. A wider tire combo for rear.

I need to know the rim size, rim width, backset, and tire size.

For example. I found on craigslist a set of 16" rims and tires with the following specs:
Front: 16x8 rim,5.25 backset- 225/55/16 tires
Rear: 16x8.5 rim, 4.5 backset 245/50/16 tires
Would these work without rubbing or hitting the body or suspension?
thanks !
Rich G