I had problems with this pump when it was first put in the car. It was mounted above the pick up point where my last pump was mounted. It was on my daily driver and eventually got so loud that I had it rebuilt. Griggs Racing recommended that it should be mounted in the tank. Griggs got me a Fuel Safe fuel cell and mounted the pump internally and I haven't had a problem since.
The car is now track only and the pump works great.
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