Well clearly given the choice between the P-51 or the F4U the F-86 would be the best choice ;)
According to the internet both planes have a ceiling over 30,000ft. From what I have heard the P-51 would outperform the Corsair in high...
It looks like this is an old thread but for what it is worth History shows us that the F4U was a better piston driven plan than the P-51 and is...