1997 e427 mack is there any thing i can do like the fuel temp wire and so on that might get this thing out of it's own way only has like 250000 on it so it's not wore out just lazy
1997 e427 Mack, What Can I Do to Increase Power?
Discussion in 'Trucks [ Eighteen Wheelers ]' started by little cat 500, Feb 1, 2012.
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go to 460 with ecm,turbo,injector upgrades
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I don't think VMAC II had a 460 file how ever 454 file would be an improvement , but you can add a blixton box, and set of 20% injectors
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they should its a factory file they fill a form out to send to mack then mack sends them the file, I would call another dealer
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