Old thread but always relevant. My friend would need an interlock for a vertical throw main.. more complicated as it's far from where the generator breaker would be. I hope to move the top right doubles down two spaces and put the generator breaker at top right. Friend is waiting for another...
IIRC, there were three prices for balancing:
1. Bubble balancing = $1.00
2. Spin balancing = $1.50
3. Dynamic balancing on the vehicle = $2.50
The reason for the extra cost was it took much longer and had to be done by a mechanic. Tire busters could handle the bubble and the spin machine, but on...
Found this after searching "4 point bubble balance" after seeing the term elsewhere. Sounds good from Thumper (method) combined with Packard V8 (weight placement depending on how much). I started mounting tires when shops kinked sidewalls (don't use slick goop), slow leaks (I don't expect them...