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Testing MSD's Atomic EFI on a 4.2L Jeep Six—On the Rubicon Trail!
 

Dan Hiney describes his MSD Atomic EFI 4.2L Jeep six conversion—while rock crawling on the Rubicon Trail during the 2012 WFTW Super Event!

(If you have the bandwidth, open up to full-screen, HD video for best viewing and the full impact of this product review!) 
 
     Hear what Dan Hiney has to share in this candid, on-trail interview and test evaluation of a prototype MSD Atomic EFI for the 4.2L Jeep inline six! See the in-depth, how-to details of this installation in a lengthy, illustrated article—here at the magazine website! For more information from MSD's Atomic EFI website, click here! 
 
Dan Hiney tests his 4.2L Jeep six with the MSD Atomic EFI on the Rubicon Trail Dan Hiney talks about the tests performed at rock crawling on the Rubicon Trail.
 
     In a scoop for 4WD Mechanix Magazine, Dan Hiney installed the new MSD Atomic EFI on his Jeep YJ Wrangler 4.2L inline six engine. This was a first for the 4.2L application and set the stage for exclusive testing. The test results are impressive, as Dan describes in this HD video footage. Our interview and driving action took place live at the Rubicon Trail during the 2012 Wheelers for the Wounded Super Rubicon Event.
 
     As co-organizer for the WFTW, Dan's Jeep must perform flawlessly and dependably. It also resides at California, where emission requirements dictate a clean tailpipe. Not only did Dan Hiney's 1989 Jeep YJ Wrangler meet every trail requirement, it has tested with lower tailpipe emissions* than the requirements for this Jeep!
 
   *Note: As of summer 2012, the new MSD Atomic EFI does not carry a California E.O. number for the Jeep 4.2L inline sixes. We're encouraging MSD to pursue a California E.O. number for this Jeep application and will update. Although Dan's Jeep meets/exceeds the standards for this vehicle, an E.O. number is necessary for California emissions compliance.