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| 2004 to 2008 F-150 and Mark-LT 4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs. |
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#1
Mon, January 26th, 2009, 05:02 PM
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Underdrive Pulley Set Advice
Anyone have any recommendations on which one to get? Troyer, ASP etc.
How much do they increase fuel mileage and are they worth it? Thanks!
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Cheers!! 
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#2
Tue, January 27th, 2009, 12:23 AM
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They do seem to be helpful, especially at highway speed. One nice thing is that the slower speeds help improve the service life of the components. Alternator lasts a little longer, water pump is less stressed. Anything you can do to reduce parasitic drag on the engine is helpful.
Troyer seems to be the only place I've found them. I'd give him a shout. 
__________________
Bill Cohron - The Mad Doctor   Power Hungry Performance - The ORIGINAL in Ford performance tuning... Since 1997! (678) 890-1110 www.gopowerhungry.com - Home of the Hydra Chip, Minotaur Tuning Software, and the new Orion Reflash System for Navistar! Bring back  Windows™ XP and 7.  Windows™ Vista and Windows™ 8 is a pain in my a$$!  Windows™ 10 is only slightly less annoying!  Windows™ 11 is garbage!  Much to my surprise, I'm actually quite enjoying Linux! 
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