pressure reg mounting.

mullinax95 said
I had the Holley blue pump and that sucker needed a regulator. I've seen it go up past 9 psi before I backed it back just to see what it would do. You might want to have a gauge installed somewhere after the regulator. I found it quiet convenient to have.
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The blue pump is different than the red pump. You absolutely need a regulator with a blue pump, not so with the red.

I run two blue pumps with 19 psi springs in them. Two regulators both set a 9 psi. with my Demon carb. Never had a flooding problem.