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HEMI Technical Info

Fuel System Area

A 20 gallon pump with a .300 total area will have 124.25 psi @8000 rpm.

A 20 gallon pump with a .280 total area will have 163.74 psi @8000 rpm.

.300 @ 250psi -29.4 gpm
.280 @ 250psi - 25.6 gpm