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    1. 08-30-2018 #1
      cwmusser
      cwmusser is offline Registered User
      Join Date
      Feb 2013
      Location
      El Dorado Hills, CA
      Posts
      116
      Country Flag: United States

      Looking for feedback on proper AFR

      I have a stroked LS3 (418 cu in) with Holley intake and 4150 style throttle body. It's mild performance with 550 HP. I have had a problem with it running too hot and can't really find anything wrong. I'm running the early 24x ECU and my EFR is set at 14.68. I'm looking for feedback on what others are set at since my tuner says I'm where I need to be but I'm feeling like it's set too lean. My engine has a "speed density" tune since I do not have a MAF sensor.
      I appreciate your comments. Thank you!
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    2. 08-31-2018 #2
      badazz81z28's Avatar
      badazz81z28
      badazz81z28 is offline Registered User
      Join Date
      Jun 2010
      Location
      Deployed
      Posts
      3,280
      Country Flag: United States
      You don’t trust your tuner? Why?

      1970 Camaro/DSE build


      Are you driver enough? Maybe....come on blue!
      https://www.pro-touring.com/threads/...71#post1147371
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