How hydroplanes effed up the vintage warbird engine supply.

I loved unlimited hydroplane racing in my youth. It was all over ESPN’s early days of the 1980’s backed up with aussie rules football and anything else they could find. I didn’t learn until later-while reading an artidle on the builders of Reno racing engines- how much damage this racing did, just like the tractor… » 5/22/15 9:08am 23 minutes ago