I run my oxy at 40...and the acy at 10....light acy and turn it up till the smoke goes away and then start adding oxy via the knob on the cutting torch handle until you can see the inner blue flame get nice and long...after a couple of attempts you'll learn how far to go before you will knock the flame out...also keep the torch tip holes clean and to help with that don't get the tip any closer than you have to when cutting...the blue wrench is the best damn tool in the garage...lol.
DW
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