ma09 block wouldnt make it handle any more power than a ma10 block, it only in the extreem cases which a block would crack through power, the factors which would make it handle more power is larger rods tougher crank, or shotpeened rods as standard for example. i would have thought the ma09 does have lower comp as standard though compared to a ma10
back to the Engine conversion Q's, spaeaking to a friend of mine and he is saying theres no way that you can put power through the standard MA driveshafts, with a conversion you would have to uprate them to beefier ones off of a n14, which would accept either the ga or Sr driveshafts