Quote Originally Posted by nelson9995 View Post
Which one will be more reliable at 700 whp?
That's easy. If the engine has enough block and component strength, and has an experienced and competent builder, with a tuner who understands how to tune for volumetric efficiency, then the motor should live without issue. In other words , both should be reliable as long as those conditions are met.
You can't just say that one motor is always better than another because it is bigger. I see 363ci motors easily outrun 440ci motors plenty, and last longer.