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  1. Focus RS Performance
    Is there anywhere to buy pre-gapped motorcraft plugs for the RS? I very recently replaced mine in the middle of tuning my RS as I heard the factory motorcraft plugs are typically ~.030 and they were. I gapped the new ones as best I could (to .026 with a cheap round gapping tool)...they’re...
    fuel gas tune tunewerks
  2. Focus RS Discussions
    This thread is to help those of us that only have access to 91 octane or below at the pump. I am starting a FAQ related to how we can get the most performance. 1.) What is the BEST octane booster to lvl up from 91 to 93. Price does not matter for #1. If possible, post links to purchase the...
    booster focus rs gas octane
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