Quote:

I went to the local parts store and they crossed over the ar73 to autolite 85's will these work ok?

Absolutely not, a 85 is a resistor plug that has the same heat range as the non resistor Autolite # 75 A 83 is the same heat range as a 73

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)