You are using 3/16 tungsten, are you sure?
That huge stick, you dont need that big anywhere in automotive welding.
You get by every task with 1/16 (1.6mm) and 3/32 (2.4mm).
Highest amps 250A, I ever used was when welding an 3/4" 8"x10" plate to intake manifold. But not every day you fabricate a Roots-blower intake manifold.
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, Juhani
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