Pressure Regulator

You only read part of it. Use an appropriate valve and your toilet won't overflow whether it has 20 psi on it or 120 psi on it. It will fill more slowly at 20 psi than at 60 psi.

And I disagree on the 8psi. For most carbs we use here, 8 psi is pushing the limit of what the inlet valve can hold off - the bigger ones of course are worse.

a toilet might not overflow with the right valve, but over pressurize the inlet on a carb, and like you mentioned, it will (8 PSI might indeed be pushing it)

and i think that is why the OP is thinking of putting in a regulator, because the valve (in this case, the float/needle and seat) can only withstand so much, so that is where our toilet comparison fall apart


@stumblinhorse what is your fuel pump?

and what is your definition of "rich", got a number?
(you should go a little richer at WOT
and...what kind of AFR gauge ?