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1997 to 2003 F-150 4.2L, 4.6L, and 5.4L equipped F-150s

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Old Tue, September 22nd, 2009, 03:05 PM
RobbyMartin RobbyMartin is offline
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In regards to air/fuel ratio and performance, peak torque and peak HP occur at different ratios with torque coming in about 11.25:1 to 11.6:1 and HP coming in around 12.25:1. If the fuel curves aren't correctly adjusted to meet the demands for the specific load/RPM, performance can suffer significantly.

I hope this makes sense.[/QUOTE]

This is the only part I didn't comprehend but not sure that I need to. I just want you to do your MAGIC so I can pop a wheelie...haha, just kidding.

Thanks for the input. I know what I'm going to do as far as the mods go .
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