Re: Spare tire for 66 Park Lane

[Virgil & Sue Klein]

As far as wheels and disc brakes go it is all about the offset.  Just go to google and enter wheel offset.  It will explain the concept in detail.  Disc brakes generally require more negative offset (a deeper dish on the back side) than drum brakes because you have the caliper to deal with.  Wheels that fit on the disc brakes of a car will almost always fit on the drum brakes as well.  For many years cars had front disc brakes and rear drum brakes and only had one spare (usually one of those mini spares, although a ’66 would not have that).  If you know you need a wheel for your ’66 you should be able to find out the  diameter and bolt pattern in your shop manual or at a friendly dealer or tire store.  I’m guessing there is only wheel size for full size Mercs in ’66.