[Schurkey]

Originally Posted by Gary H

You not only have to buy the dyno itself, and the control panel, but you would need to build a dyno room with fan and exhaust outlets. In addition, you need a huge water tank and in some cases a chiller to cool the water.

You saved me a lot of typing. The dyno is expensive enough... the real estate to put it in is even worse. And if the engine explodes catastrophically, that dyno room has to be strong enough to contain it so that flying connecting rods don't bash in your skull.