31k barrel exhaust port size

[billyboy]

Any of you kind chaps know the standard exhaust port size on a 31k barrel ?
Area would be even better . Thanks in advance

[jessy03]

[billyboy]

Thanks mate , appreciate that but I need it both ways , the height as well , it's for one of these pipe building software apps .
Cheers anyway 👍

[muttsnuts]

just subtract 27 from 55, leaves 28, so the height is 28mm for the first port map, or 55.5 - 26 = 29.5mm for the second port map

HTH

[billyboy]

Thanks Mutts 👍