SX-R 800 ADA Head and Domes size

[jsra]

Why are Your dome size suggest different to other brand???

greenguys.com says 26cc - 27cc 190lbs cranking compression

R&D says 28cc dome size for 95 octane fuel

ADA 30cc dome size for 95 octane fuel and 190lbs


????

What is the secret for the different suggest ???

[Brooks]

The readings that we show are what we actually got on a boat in our shop, then adjusted for the elevation difference to sea level.