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I have a Moroso 7 quart deep pan, so running out of oil won't be a problem. The high volume pump that I had on the shelf is a Mellings M-63HV It's body/impeller is 1/4" taller than a stock pump. I suppose the HV pump will rob a bit of power, but I was wondering if it would cause any other problem



With a 7qt sump pan you'll be fine , run it BUT open the pump up and make sure it is ok inside , clean , the o ring that seals the cover tot he pump body is ok and doesn't look like it was machined wit ha ROCK . The last melling pump I bought , hi pressure not high volume , leaked between the cover and the body , the o ring was nicked and the cover had a lot of scratches. A half hour or so of lapping it on a surface plate by hand took care of the scratches, a new o-ring and no more leaks .