P-47s have huge dive acceleration, however, they get into compressibility at a lower speed than the P-51s, F4U, F6F or 190s.
P-39s dive very well. They will lose ailerons and rudder at 595 mph. P-40s used to dive well, but now they shed control surfaces at relatively low speed. P-38s begin to compress at Mach .65 and are fully into compression at Mach .68. 109s stiffen up badly at high speeds, but that's not compressibility until well over 500 mph.
The Soviet fighters get into compressibility at around Mach .76, with this being a bigger issue for the La-7 due to its acceleration. The Yaks handles better at high Mach than does the La-5/7.
Spits can dive fast, they just don't accelerate as quick as the heavier aircraft. The Tempest dives very well and has by far, the best dive acceleration of any prop fighter (can't understand why, though), but the Typhoon gets into compressibility at a lower speed, comparatively.
Unless the Zeros have changed, the A6M5 dives better that the A6M2 as the latter will roll right and shed parts sooner. In fact, I've seen 578 mph TAS in the A6M5, without damage. I can say in confidence... That's not correct. The Ki-61 is a sterling diver, but slow to accelerate. The Ki-84 stiffens up badly at higher speeds and loses elevators easily.
Of all of them, the F6F-5 is the best diver, IMHO. Why? It can match just about everything and with combat trim on, will pull out of a Mach .80 dive hands off without pulling off power. It must be trimmed nose down not to do this. Just about every other fighter requires pulling back power to help trim out of 590-600 mph dive. Not so the F6F-5.
