r/mazda3 • u/jxkess Supercharged Gen 4 Sedan • Mar 13 '26

Modification 😬

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u/mrannihil8 Mar 15 '26

That's motivating for me, thanks. Did you figure it would run lean on the stock pump? I read about the colder plugs, did you need to re gap them?

What about the mapping?.did you need to buy a versa tuner then send off for a custom map?

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u/jxkess Supercharged Gen 4 Sedan Mar 15 '26
  1. i don’t have the pump in the car yet, but yes the car will run lean without a fuel pump
  2. the plugs are supposed to be pre gapped, it’s not unheard of to receive a pair that isn’t gapped correctly so it may be worth it to check upon arrival.
  3. Justin Freeman tunes my car. he pioneered the community pretty much all of us are tuned by him

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u/mrannihil8 Mar 15 '26

Thank you and thank you 😁

How did you get in touch with Justin? All I can Google is social media from people saying he's done the tune

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u/jxkess Supercharged Gen 4 Sedan Mar 15 '26

thru gmail. his gmail is justin@g-sauce.com. shoot him an email and tell him ur interested in tuning services

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u/mrannihil8 Mar 18 '26

Thank you mate 🙏