500, 472, 425, 368 This forum is to discuss the old big block Cadillac engines.
Cadillac Forums: Spec -o- fuel pump
08-25-03, 12:31 AM
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Spec -o- fuel pump
Can anyone tlell me the specs of my fuel pump? such as gph? eh? eh?
08-25-03, 08:51 AM
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I looked at NAPA's online catalog and here's what I found....
Quote:
Attributes: Fuel Pump (OE Mechanical Type)
Pressure Rating: 5.25 lb - 6.5 lb
Gallons Per Hour: 20
08-25-03, 01:39 PM
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thanks a lot lux!
08-25-03, 03:34 PM
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That's what they listed as a replacement.
A factory pump may not be exactly the same but I would think it's close.
08-26-03, 01:13 AM
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just wanted to know because i'm going to put a holley electric fuel pump on. probably the 97gph one...
08-26-03, 01:51 AM
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That seems like overkill, even on a 472.
08-26-03, 02:04 AM
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Check the fuel pressure recommendations for your carb. If the pressure of the pump that you get is more than is suggested for the carb, put a pressure regulator in line.
08-26-03, 03:35 AM
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overkill? pshhh. My friend put an electric fuel pump around that level, mabye more on his 430 with a 750 carb(same as mine)
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