Stop in for a cup of coffee

Good morning everyone!
I have a 76 Dodge Dart. It came with 225/45/17 wheels & tires on the front & 235/55R17 on the rear. I have a problem with them rubbing on the fenders (front end). Can you tell me what the dimensions would be on the 14in wheels? Backspace/offset ?
So that I can start somewhere looking for a set of wheels and tires for my car?
Tia - Heather

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@72bluNblu may know. Are you wanting a factory size tire or something wider and bigger?