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E7-400


Mack82

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I have a 1994 mack CL with a E7400 18 speed with 4.11 rearends I use it to pull a lowboy it has 150,000 miles as you can tell it doesn't run very much just move our equipment local I have been looking at a blixxton performance module are they any good can you tell much of a difference

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I tried one on a e7454 didn't see much difference. Your better off going straight for hard parts like sending the pump out to flow more fuel and haveing the injectors honed. You wouldn't want to forget about a turbo also. Then find someone to tune it for the extra fuel. All depends how much more hp your looking for out of it.

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  • 2 weeks later...

Get with Rochester Fuel Injection, they have the Blixxton modules, injectors and turbos for the E7 engines. From my questions in the past the RFI injectors and turbos are the biggest increase, the module helps 350-400's more than 454's.

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