What do you mean, power valve to the intake?
I'm not sure about the floats... I have taken the top off the carb to check.

So, if blow through is that simple... then I have a new dilemma! I have $1300 to spend on this turbo system right now. I have the turbo, card, intake and exhaust. Nothing else.
Do I intercooler or meth inject? OR do I buy the j& s?
I can only afford one at this time, as I still need to buy the wastegate, BOV, do the exhaust, etc.