Questions about rate of return water flow to expect from my water cooled WP18 torch

[IronSpadeCycles]

So a few years ago I bought a used Miller Dialarc HF 300 from a gentleman on Craigslist for about $600. It came with a ton of tungsten in various sizes, the different tips and a home made stainless steel 50 gallon water cooled tank permanently mounted into a huge 3x3x3/8 angle iron cart. The torch body...

[IronSpadeCycles]

So what replace the torch handle? I'll pull the fan cover off tonight and see what kind of fan it is. Thanks again.

[IronSpadeCycles]

So I figured this would be the best place to ask for help on my early 90's Miller Dialarc HF-300. I bought this machine used about 4 years ago and have had great success with it. The previous owner had built a rolling cart with a 30 gallon stainless steel tank for the watercooled torch. Its a great...