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  1. 1.5T About non-Si fuel upgrade

    Hello, brothers. I want to upgrade the fuel system on my Chinese model and have referred to all the 10th-generation Civic upgrade plans I could find. I think using the fuel injection system from the 2.0T Accord (the equivalent model in China being the Acura RDX 2.0T) could be an effective try...
  2. 1.5T The Rebuild Journey of the L15C9(Non-Si) Engine

    Hey everybody,has anyone done a reinforced rebuild on the 11th generation engine? I noticed that the crankshaft is different compared to the previous generation, which means there might be differences in the connecting rods and bearings. This is just something I found out, and I’m not sure if...
  3. 1.5T Question about WOT AFR

    Hello everyone, I've encountered a strange issue while tuning my 2022 Civic recently. When I perform multiple full-throttle tests consecutively, there's a noticeable difference in the open-loop air-fuel ratio between the first run and the subsequent ones, with a gap of around 10% or more. After...
  4. 1.5T about ECU controller replacement

    hey everybody,I am an 11th generation Civic owner from mainland China. Since the ECU controller for our model is not fully supported by KTuner or Hondata, we are unable to further unlock the potential of the aftermarket modifications(like my Garrett G25-550 turbocharger). I am considering...
  5. 1.5T Has the clutch system of the 11th generation Civic weakened?

    Hello friends, recently I've been upgrading the clutch system of my 11th generation Civic because I encountered clutch slipping during the power upgrade process. So, I'm planning to replace it with a more powerful pressure plate. Several experienced 10th generation Civic owners recommended...




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