Fuel pressure dropping while driving and under acceleration to zero at idle runs 4 lb electric Blue

flathead31coupe said

Well, it turns out that the Mallory fuel pump I bought was a 5250. It's a series 250, not 240. Let's hope it's not too big lol

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Dang. That’s a good deal for that pump. As long as your regulator can bypass enough fuel you’ll be pooping in tall cotton. Nice score.