E 70 14 tires

I HAVE A 73 dUSTER 340 AUTOMATIC. IM PRETTY SURE THE CAR CAME WITH E70 14 TIRES. DOES ANYONE KNOW WHAT THOSE CONVERT TOO. SOMEONE TOLD ME A P215/70/14 BUT THEY LOOK WAY TOO BIG ON MY CALL. ANY HELP WOULD BE GREATLY APPRECIATED. THANKS TONY