I am (like many) with ozval318...I have a 9:1 318/904 with 3:55-1 posi and want to do a 50 or 75 shot of nitrous for sparing use. I have a 5/16 fuel line (stocker) and a factory fuel pump and a Thermoquad, what is the easiest way to get a small shot in the arm without emptying my wallet or...