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I'd say I picked up about 1-1.5 MPG off of the fans, the power gains aren't supercharger like but are noticable. Funny, it also makes the trucks power curve feel smoother at WOT.
As for the fans, I'd pick up some good FAL, Zirgo or Permacool fans and the Mad controller. The FAL controllers really weren't that impressive to me and you can put together a nice kit yourself for the same prce as the 270's if not less. The shroud helps but with thee output of the fans you can get (I'd recomened nothing less than 2500 CFM each on a dual setup), the shroud isn't a be all end all proposition, maybe you are losing at most 25% efficiency and considering the numbers, you waon't be hurting from it.
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SnowmaNick- Edge'd 5.4L, Airaid CAI, Magnaflow 16612, FAL E-Fans
- Mad Enterprizes Controller, Mac U/D Pulleys & Gatorback
- Undercover Tonneau, CW Billet Grill, Optima Yellow Top
- 2.5" Procomp spacer & AS 1.5' Blocks, 285/65R18 BFG TA KO's
Last edited by SnowmaNick; 07-16-2006 at 05:03 AM.
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