I've posted this question on the TBOTR site also:Building my first Ringmaster S1 and found that I don't have the space for a 4oz clunk, can't find a 3oz anywhere, would I be ok using 2oz? or do I go for a metal stunt tank and stop whinging. I'm not trying to do the pattern or any competition stuff, (still a beginner) a few loops and wingovers is where I'm at.. Thanks in advance . Phil ps will be using OS 35s and a 10x5