Ebay GT45 + 5.9 Magnum + E85 blow thru

Matts440 said
Well justntune a little to it, the meth will cause the afr to go a bit richer. Did you get a micro switch to activate it or boost reference?
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It has an adjustable pressure switch. I want to trigger the meth at 5psi. If it goes too rich and bogs I'll increase it a bit.