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Fuel Pump Question

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Old 10-30-2009, 02:43 PM
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Fuel Pump Question

I'm swapping from a 2.8 to a 350... The guy I was talking to was under the impression that you can just run a mechanical fuel pump... Is this true? or do you need to mess with the old fuel pump in the tank?

If already posted please link me.
Old 10-30-2009, 04:04 PM
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Re: Fuel Pump Question

what are you doing for fuel? carb, tpi, tbi, ? Will make a big difference
Old 10-30-2009, 06:49 PM
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Engine: Rebuilt 350
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Re: Fuel Pump Question

sorry, carbed 350... I believe the engine is from a 78 Chevy? not exactly sure... the only thing stock is block and the pistons.
Old 10-30-2009, 07:33 PM
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Re: Fuel Pump Question

depends on what type of pump is in the tank-port
injected engines have a two-stage turbine/roller pump
as stock-you cannot pull fuel through these without
running the pump.TBI and CFI use a two stage turbine
pump-you CAN pull fuel through these with the pump
inactive(done it)Certain carbed engines have a low
power single stage turbine pump-no regulator needed.
F/I pumps can be used with a regulator to feed a carb.
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