I've had two that were in the cockpit lazaratte about 18" above the heat exchanger - completeley above the engine itself when level - maybe 6" or so. A third was mounted high & inside the engine compartent - maybe 12" above the heat exchanger.
Charlie P. P31-2 #80 CATNAP
To travel hopefully is a better thing than to arrive - R.L. Stevenson
I suspect that, if you should go to the end of the world, you would find somebody there going farther . . . - H.D. Thoreau