Originally Posted by Hobbsy

Jim, the only one of those V-12's that I saw was in a Ford Fire Truck from the 50's, it was actually a tanker for hauling water to fires. When it idled you could set a glass of water on the air cleaner and the water would not visibly giggle.

The Horizon number, 8,800 was achieved using an APC 15 x 6. Judging by the 15 x 8 that would be about right.