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  1. safe amount to retard spark?

    Diablo Predator Questions & Info!
    ive been reading up that regarding spark timing is better for low end torque unfortunately the tuner isnt superbspecific on details so im wondering how much people have done thats still safe? at least in the 1k rpm range
  2. 2011 300c engine code 300/305

    Chrysler 300 Mechanical Problems and Questions
    Hey everyone, on a recent road trip my C started missing and the check engine light came on. It ran rough the entire time. I've had this happen before so when we finally got it home I changed all plugs but that didn't fix it. I read codes and they popped up 300 and 305. I changed out the...
  3. trying to change plugs on 2007 300c....help and a question?

    Chrysler 300 Performance Mods - Engine - 5.7L
    I just bought 16 of the E3 plugs that are made for the 5.7 hemi. (ran them in a boat before and they rocked) I have never pulled the two bolts of of the ignition boot (or whatever covers each set of plugs) before,....after removing the teo bolts, does it simply pull up?....I started pulling and...
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