Search results | Ford Explorer Forums
  • Ford Explorer Community - Maintenance - Modifications - Performance Upgrades - Problem Solving - Off-Road - Street

    Explorer Forum Covers the Explorer ST, Explorer Sport, Explorer Sport Trac, Lincoln Aviator,
    Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Ford Aerostar

    Register Today It's free!

Search results

  1. J

    94 4.0lt lean+rich issue

    I have a 94 ranger 4.0lt xlt built from the ground up, everything new. I installed new 2000 ohv cyl heads on my reman 94 shortblock with aported 97 intake. I know the compression level was increased to about 10.1. I'm running 91 octane fuel and I noticed a slight ping at 3500-4500rpm. I modified...
Back
Top