Might sound absurd but how much could I deck the block disregarding the chain tension on an L18 if I used a 73.7mm l16 crank and 130.2mm rods?
Im interested in using a 73.7mm stroke L16 crank and 88 bore L16/l18 block.
So far 204.1mm is possible (as per ozdats engine utility) with 130.2mm l18 rods but could I go less if I had custom pistons made up?

1. Im trying for at least 1793cc using 88mm bores.
3. maximum 204.1mm deck height (like a14 and a15) less if desired
4. using a cleaned up ka24e head for a 12 valve crossflow that can make a streetable 160-180hp with 11 to 1 compression.

This is just a theorotical question(s)

This is the engine that would be "no pollution" setup that would offer greater displacement, lightweight (maybe 10kgs heavier than an a15 after decking and crank lightening) and a budget modern multivalve head that outflows any L head.