Congrats on the new boat and welcome!
You are getting all the right answers. Simple way to tell a GM from a Ford is the where the distributor is located. The Ford will have the dist in the front of the engine and the GM dist will be at the rear.
Pictures are big on this site. Makes getting accurate answers much easier.
TIRE & WHEEL SALES
SPECIAL PRICING CONTINUES
Two 14" Aluminum wheels $195
Two 15" Aluminum wheels $215
Four 14" Aluminum wheels $370
Free Freight within lower 48
Steel and galvanized wheels available. Spare tires too.