A while back I think i was asked to get some dimensions of my tank cant recall i think it may have been Jordan......recently Ben has asked for some reference shots so here goes.
its hard to see but i have numbered the dimensions
1) 11cm
2) 2cm
3) 10cm
4) 3cm
5) 14cm
6) 3cm
7) 29cm
8) 65.4cm
9) 30cm
both breather tubes are 38cm in length. the breather which comes from the filler cap end is 30cm then the 90 deg bend
the breather which comes from the other end travels 24cm then 90 deg bend
the filler hole is ID 5.8cm OD 6.4cm Flange dia 9cm
there are three baffles inside the tank