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Going to do the Duralift pump. I've seen two part numbers with two different psi's on here. One puts out 9-11 psi while the other puts out 4-7 psi. My truck is a 91 7.3 with a Banks turbo on it. I know the stock mechanical pumps are around 4 psi. Which of the two e-pumps would be better in the long run?
Most are using the 7 PSI pump that GenLightening has been selling however either one will work.
here is a link to his thread on oilburners about this pump: