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  1. SRT Hellcat General Discussions
    hello and thanks advance , I have a 21 Redeye Charger ,my problem and question is when @ full throttle my AFR is a steady 9.5 completely stock(car only traps 124-127mph)kinda slow , when i hit it with a 100 shot wet kit with recommended pills my AFR WAS 9.8, I feel like this is too rich and the...
  2. Dodge Challenger SRT Hellcat
    Car is at the dealership now. Has a couple codes P2098 (Downstream Fuel Trim System 2 Lean), P0308 (Cylinder 8 Misfire), and P219B (Bank 2 Air-Fuel Ratio Imbalance). My car was idling rough, struggled to cold start, and was driving rough (felt like I had a flat tire). Anybody have any luck with...
  3. Dodge Charger SRT Hellcat
    I just bought a 2021 hellcat charger widebody. Bone stock tune. All stock besides legmaker intake. I’m at sea level and 60 degree ambient temp. When I do pulls even not beating on the car meaning it’s fairly cool my first pull of the cruise say a 50-120 pull. I get a normal afr for a second then...
  4. SRT Hellcat Performance
    So I bought a diablo intune3 with an unlocked pcm. I installed a basic can tune just until I get it professionally tuned and it dropped my AFR to the 9's! Idling or WOT still 9. I deleted the tune and restored the factory tune and the AFR went back to normal. I then tried the 93 LMI can tune...
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