I seen your post on Challengertalk also.All the posts on the other forum were right on.I have a 1994 Z-28 1LE and I still have the original tires.The car has only 5000 miles and I only get it out once or twice a year.It is in a Car Capsule inflatable bubble.I keep the tires slightly overinflated and(knock on wood) never had any tire flat spots.I don,t leave the battery in the car cause it isn,t driven enough.I have other cars that use the same batt.so I float it from time to time and keep it stored out of the cars.You will want to research your tenders output cause the cars electronics may drain more than your tender can overcome.