Quote: Sorry to Hi-jack. We went from a Mega blocked 528ci motor to a KB block 572. The weight loss was only 70lbs but in the right place. Same intake and heads etc. HTH's
I don't see how this could be correct, maybe your Mega block was lightened or something. I remember hearing that Indy could knock over 75 pounds of them for about $1,000.
The crank and rods would probably weigh more. Did you go from aluminum rods to heavy steel rods?
