Quote:
Originally Posted by Kernel Kurtz
It is a pretty beefy engine, I don't see 500HP being an outrageous ask from a stock short block.
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The engine block itself if beefy with it's closed deck design, but when was the last time you heard of a N55 or N54 having block issues? The B58 has a forged crank and rods, but so does M235 and M2 N55 motor. When pushing big power through the B58 (or N55/N54), you do need to consider the fact that the fuel system, oiling systems, cooling systems, etc. weren't designed for that amount power thus you need to address that as well if you want the motor to last for the long term. The M cars have a ton more heat exchangers and upgraded fuel systems to handle the power and people expect a stock long block B58 to handle even more power than a stock S55
