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Message: [QUOTE="gnxtc2, post: 1527495, member: 1414"] When I was at PRI, I was BSing with the engineers at Melling. We got onto the subject of the 7.3 oil pump. The guy I was speaking with was involved with the development of it and knew a lot about it. Forgot his name. I would try calling Melling. Here found the info: [url]https://www.powerstrokenation.com/forums/14-7-3l-power-stroke-aftermarket-performance/659-melling-vs-oem-lpop-4.html[/url] Below 2500 rpm the flow rate is as good as or slightly better than a stock pump. Above 2500 rpm the flow rate is increased over the stock pump. Above 3500 rpm the flow rate is 10% more than stock. At test rpm of 700 rpm , 7 gpm At test rpm of 4000 rpm , 25gpm Billy T. [email]gnxtc2@aol.com[/email] [/QUOTE]

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