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Message: [QUOTE="Morgan@Midwest Diesel & Auto, post: 1101276, member: 8143"] Cp3 has 3 plungers and barrels, they flow about 20% more than a standard cp4.2 does with 2 plungers and barrels. A 10mm stroker cp3 is good to around 900 worth of fuel. At least they are advertised as so.... The 2015 cp4.2 from a 6.7 is only 9% larger than a 11-14. Not worth the money unless you had to buy a new pump already. We are doing a 25% over cp4.2 which would be 16% over a 2015 pump (650hp capable). Which may actually do enough to help some people who don't have enough with an added 10mm stroker cp3 kit and stock cp4.2. But in mfi's case that may not even be enough. So a custom third pump mount may be necessary. Not uncommon in the duramax world to have 3 pumps in really high hp competition vehicles. [/QUOTE]

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