Mack82 Posted April 27, 2014 Share Posted April 27, 2014 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 Quote Link to comment https://www.bigmacktrucks.com/topic/35541-e7-400/ Share on other sites More sharing options...
24vman Posted April 28, 2014 Share Posted April 28, 2014 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. Quote Link to comment https://www.bigmacktrucks.com/topic/35541-e7-400/#findComment-243567 Share on other sites More sharing options...
rsb502 Posted May 13, 2014 Share Posted May 13, 2014 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. Quote "Any Society that would give up a little LIBERTY to gain a little SECURITY will Deserve Neither and LOSE BOTH" -Benjamin Franklin"If your gonna be STUPID, you gotta be TOUGH" "You cant always get what you want, but if you try sometimes you get what you need" Link to comment https://www.bigmacktrucks.com/topic/35541-e7-400/#findComment-245171 Share on other sites More sharing options...
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