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i have asked numerous people this question with answers all over the place.

i have a mallory comp 250 fuel pump. i want to run a 150 hp shot of nos.

will my 250 pump be able to handle this?

550 hp small block.

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It depends of course,what size pickup and line size to the front and what type and size fuel filters and where are they? Maybe, but not safely Magnafuel says there 275 pump is good to 750 HP, IF everything else(lines and fuel filters) are correct and the stars are aligned properly Why not have more fuel volume than you need You know if you like a 150 shot of NOS your going to go bigger

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thanks guys for the comments.

i run -8 line from tank to filter then to pump. from pump to regulator, -8 also. then -6 from regulator which feeds both carbs.

how much et will i pick up from a 150 shot? best et now is a 11.54 @ 118.56 mph.

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You can run a 500hp shot with that pump, I have a lot of time slips that say you have way more than enough fuel.

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Is that feeding both the motor and 500 HP NOS systems? If not what size do you recommend for both