what is a 50-50 alloy- I have lead, lyman #2 and linotype - I will be using the lee mold- should I use the lyman #2 or linotype to cast the bullets - also, should I size and lube with lee sizer and liquid alox or lyman sizer with heater - I will be using a gas ck.-have been using liquid alox for pistol bullets and pan lube for BP bullets - new to using lyman sizer with heater