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I'm buying a 505 hp 454 for my '70 chevelle SS. Is a hi-volume fuel pump advisable? Also with an Edelbrock 750 cfm, will I then need to use a fuel pressure regulator? I'd appreciate some help on this! Thanks.

Tim
 

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assuming your engine uses 1/2 lb of fuel per hour to sustain 1 hp, 505 X .5 = 252

252 is the amount of fuel in pounds per hour that your engine will need max.

gas weighing about 7 lbs/gallon is divided into the 252 to get the amount in gallons

252/7 = 36 so you will need a maximum of 36 gallons per hour flow rate from your fuel pump.

HTH
 
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