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2001 E7 427 power upgrades?
in Engine and Transmission
Posted
Any one have experience upping horsepower on these engines. Replaced my N14 525 Pete with first Mack. Like the truck but not the power. Needing more grunt. Have looked at Rochester Fuel injectors and turbo and Illinois Dyno ecm reflash. Not sure which will give me the most bang for my buck. Or any better options will be appreciated.