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| Phoenix™ Switch-On-The-Fly Chip If you have a question or a comment about the Phoenix multi-position module, post it here. |
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LinkBack | Thread Tools | Display Modes |
10-06-2009, 11:10 PM
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Driving in Whisper Mode
So it looks like the Wife just drove my truck 120 miles with the chip set in whisper mode. Any harm in this. She said it drove fine.
Thanks Matt Early 1999 F250 Crew Cab 4X4 7.3 liter 
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10-07-2009, 08:01 AM
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Nope, no harm. The fueling and timing maps as well as all transmission functions are normal at all RPMs above an idle...or 1000 RPM at most.
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10-08-2009, 03:02 AM
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The biggest thing you'll notice is probably some slight loss of performance and fuel economy. Whisper mode does pull a bit of timing out, but doubt it would really hurt anything at all.
__________________
Bill Cohron - The Mad Doctor   Power Hungry Performance - The ORIGINAL in Ford custom tuning... Since 1996! (678) 890-1110 www.gopowerhungry.com - Get your Custom Tunes here!  Windows™ Vista is a pain in my a$$!  Windows™ 7 is only slightly less annoying.
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10-08-2009, 08:25 AM
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Quote:
Does your Whisper Mode affect more than just idle, Bill? If so, to the original poster, go by what Bill just said.
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10-08-2009, 05:51 PM
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Yes, timing is reduced 6-8 degrees, depending on the vehicle. Not exactly the best word in performance but otherwise not generally harmful.
__________________
Bill Cohron - The Mad Doctor Power Hungry Performance - The ORIGINAL in Ford custom tuning... Since 1996! (678) 890-1110 www.gopowerhungry.com - Get your Custom Tunes here! Windows™ Vista is a pain in my a$$! Windows™ 7 is only slightly less annoying.
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10-10-2009, 06:45 PM
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It looks like I lost a couple of miles per gallon or so on that tank but other than that everything else seems fine. I guess I was alittle worried that the engine would somehow get loaded up with the reduced timing. Oh well towing the TT next weekend so that should clean it out
 .I still can't believe how much better this truck tows with one of Bills chips. Thanks Matt
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02-19-2010, 11:30 AM
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I remembered seeing this post so I tried it. Mine spit and sputtered and poured white smoke like no tomorrow when I drove in whisper mode.
__________________
Chuck 1997 F350 CC LWB 2002 Expedition Eddie Bauer A veteran is someone who, at one point in one's life, wrote a blank check made payable to 'The United States of America', for an amount of 'up to and including my life'. That is honor, and there are way too many people in this country who no longer understand it. -Author Unknown
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