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Fuel pump assembly horsepower rating?

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Old 01-30-2013, 04:42 PM
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Default Fuel pump assembly horsepower rating?

How much hp is the stock fuel pump assembley good for with an after market pump in it such as a walbro 255. Is there any modification that can be done to make the assembley more efficient\ after market assembley?
Old 01-30-2013, 04:56 PM
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Default Re: Fuel pump assembly horsepower rating?

255 walbro pump is good for 550-600 on gas and 375-425 on ethanol, conservatively
Old 01-31-2013, 08:17 AM
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Default Re: Fuel pump assembly horsepower rating?

Originally Posted by xenocron
255 walbro pump is good for 550-600 on gas and 375-425 on ethanol, conservatively
Oh okay so the pumps good for that HP but what about the assembly that holds the pump? Do people have issues with that when running a higher HP?
Old 02-01-2013, 04:16 AM
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Default Re: Fuel pump assembly horsepower rating?

Bumppp
Old 02-02-2013, 06:45 AM
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Default Re: Fuel pump assembly horsepower rating?

Why would the "assembly" allow for less HP?

You will be fine with a stock hangar
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