How much HP mechanical fuel pump can handle??
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Old June 11th, 2007, 03:43 PM   #1
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How much HP mechanical fuel pump can handle??


I have a heavy duty mechanical fuel pump and I'm wondering how much HP it can handle. I'll get around 400HP-420HP NA. Can I spray Wet 100WHP more with this mech pump? I guess my Holley 650DP will be ok.

306CI engine
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563In
595Ex
232@.050In
244@.050Ex
112LSA
9.6 Compression ratio
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Victor Jr Intake


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Old June 12th, 2007, 12:50 AM   #2
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Mechanical pumps typically flow about 80 gph at 7.5 psi or so. They are generally good to about 600-700 hp. Remember though a mechanical pump is parasitic. It uses hp to run, which is one of the reasons people switch to electric. I don't have a clue about nitrous, hopefully someone else can answer that part.
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