From what i have read out the Helldriver:
Curtiss SB2C (Pilots dubbed it "Son of a squeak 2nd Class" SB2C, or "The Beast") Most pilots preferred the SBD to the SB2C.
Slow and ungainly to fly .In steep dives it was unstable and hard to correct because of heavy controls.
SBD Dauntless
Top Speed 250mph
Range 1,580 miles
Climb rate 1,200 ft/min.
UP to 1,000 lbs of bombs
1,000 hp engine
SBD2C Helldriver
Topspeed 295
Range 1,165miles
Climb rate 1,800 ft/min.
Up to 2,000 lbs. of bombs
1,700 hp engine