I suppose it would only go so much faster if using just an advanced engine, and kept all the combat equipment. Well... it's quite a shame. I was always into the hypothetical stuff. I don't know much about airplanes, but wouldnt there have to be at least a good amount of performance increase if...
The Rare Bear is a racing airplane made from an F8F Bearcat, modified with a Wright R-3350 Deuplex-Cyclone. Both of which, the aircrame and engine are made during the later days of the war and are used post war. but I have to ask, what if the Rare Bear was a standard aircraft design to be used...