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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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12-28-2009, 02:08 PM
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Injector noise
On my way back from Vegas I had it in the "smoke show" tune cruising about 65 mph. I switched it to the 65 tune and the injectors would get louder. At an idle there is no differance. Any reason why it does this?
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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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12-28-2009, 02:10 PM
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Chuck,
The smoke tune has a significantly lower amount of ICP than the regular tunes. This results in quieter operation.
__________________
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$$!  Windows™ 7 is only slightly less annoying.
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12-28-2009, 02:16 PM
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With the lower ICP why would it have a better SOTP feel over the 65 tune. It picks up and takes off harder and gets to speed quicker, 2 lbs more boost and lower egts than the 65.
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Chuck 1997 F350 CC LWB 2002 Expedition Eddie Bauer A veteran is someone who, at one point in one's life, wrote a blank check made payable to 'The United States of America', for an amount of 'up to and including my life'. That is honor, and there are way too many people in this country who no longer understand it. -Author Unknown
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12-31-2009, 09:36 PM
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Lower ICP will extend the burn time of the fuel and provide a little more push in low to mid RPM torque. Higher ICP will improve atomization and cause a faster burn, which at high RPM is great but may result in a loss of power at lower RPMs as the burn will completer faster than the piston can properly align to use it. What can often help when running higher ICP levels is to reduce timing a bit more so that the heat expansion occurs at the proper point for maximum effective pressure on the piston.
__________________
Bill Cohron - The Mad Doctor Power Hungry Performance - The ORIGINAL in Ford custom tuning... Since 1996! (678) 890-1110 www.gopowerhungry.com - Get your Custom Tunes here! Windows™ Vista is a pain in my a$$! Windows™ 7 is only slightly less annoying.
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