compression or flow?

If .I remember right.....
O.P is talking about losing a half point, down to 10 from 10.5. Hardly a "low compression" engine.
His W2s are assumed to flow better than his RPMs, and drop his compression into a safer zone for pump gas. The extra 50 lbs or so might matter to a 2000 lb racecar, but won't be felt in a 3500 lb streetcar.
WIN-WIN for the W2s imo.