NAH MATE! my imagination, you can't get the gas and air pipes swapped over, they would fit, but then there would be no gas at the pilot! obvious if you have half a brain! My hoses are the same size, and have threaded couplings onto the torch, and it has also just been rebuilt by Flamefast, who recomended the 37mbar reg, but made no mention of throughput of gas as I can remember, I will check tomorrow and take pics if I get chance, but tomorrow is Holbrook bed collection day, so it will be fraught! Wish me luck!
Phil