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  1. The Tuned 11th gen Experience & Reliability Thread (for all models)

    Hope is ok to ask if anyone tried both OTS tunes from TSP and Phearable. Are there big differences in drivability and fuel economy?
  2. CDV Deleted Slave Cylinder - Compatible with 10th gens?

    Just a heads-up. Had this done on my 10th. gen. but I went back to stock following my tuner's advice. Te remnants of rev hang are causing greater delay in this platform anyway...
  3. The Tuned 11th gen Experience & Reliability Thread (for all models)

    I'm also experiencing clutch slip but didn't mention it initially since it was happening even before tuning. I added it now FWIW. 55 reports it's really a small sample but nice to see there are no major failures. Are there no more versions of the 1.4l using the weak rods?
  4. 2023 Civic Si Spring Rates, Motion Ratio, Ride Frequencies, Autocross

    Could be. To me they feel very close to the HFP springs in my 8th gen that are around 300LBS/in. Except the HFP kit is tuned together with the shocks and is just very firm and not bobbing about.
  5. 2023 Civic Si Spring Rates, Motion Ratio, Ride Frequencies, Autocross

    I don't really have the bounciness on rough roads that @absolude mentions, I think the rebound damping on the OEM struts is more than capable to handle the increased spring rate for a while. The front end much firmer with the stiffer springs, but I would never characterize it as bouncy. If...
  6. Anyone running heavier oil ie 5w30?

    I used Pennzoil Synthetic 5W-30 in my 2018 Turbo Hatch with no problems. Definitely engine was quieter. I choose the Pennzoil because the viscosity is at the lower range of the 30 oil weight for viscosity and the great oil analysis.
  7. The Tuned 11th gen Experience & Reliability Thread (for all models)

    Vehicle: 2023 Civic Si Total tuned time: 3.000Km Fuel used: KTuner V1.2 Tunes used: Phearable 1.5 RACE Fuel used: Mostly 91 Octane, most likely 93 for warmer months. Additional related mods: No power mods. Type R front springs and RSB. Accord end links. WedsSports forged rims. Problems/issues...
  8. Accord end links upgrade for 11th gen civic

    Definitely! I have the 10th gen Type R sway bar along with the Accord end links on my 11th gen Si.
  9. 2023 Civic Si Spring Rates, Motion Ratio, Ride Frequencies, Autocross

    Got mine used on Marketplace. I'd love to try the ones I mentioned before. These are a bit bouncy on real rough roads.
  10. 2023 Civic Si Spring Rates, Motion Ratio, Ride Frequencies, Autocross

    According to these pictures I took today it seems to have settled in the meantime...
  11. 2023 Civic Si Spring Rates, Motion Ratio, Ride Frequencies, Autocross

    Forgot about this one I took not too long after install. Maybe I should take another one in the same spot...
  12. 2023 Civic Si Spring Rates, Motion Ratio, Ride Frequencies, Autocross

    Thanks for the pic. Is the road slightly downhill? Petty sure mine is higher in the front compared to rear. I'll take a picture if I drive it to work tomorrow.
  13. 2023 Civic Si Spring Rates, Motion Ratio, Ride Frequencies, Autocross

    Sure, NP! Maybe I should say that the front is slightly higher than the rear. Is this the case for stock springs??? In that case, I'd try the AFE Type R springs. Those are progressive and start from 165 lb/in., which IIRC, is the same as stock Si's rate. Thinking it'd be less bouncy on rough roads.
  14. 2023 Civic Si Spring Rates, Motion Ratio, Ride Frequencies, Autocross

    I think it's settled ok but not sure if the ride hight is the same. Planning to visit a dealer just to compare it to a stock car.
  15. 2023 Civic Si Spring Rates, Motion Ratio, Ride Frequencies, Autocross

    This may not be of much help, but I used Si springs on my 10th gen hatchback. Perfect fit.
  16. 2023 Civic Si Spring Rates, Motion Ratio, Ride Frequencies, Autocross

    Thanks for sharing this mod! My car hasn't settled yet to stock height and I wish I knew why passenger front is higher than driver's side. Luckily I noticed before switching springs otherwise I'd be going crazy. I measured the height just before the switch, for reference, and didn't pay any...
  17. Si sits higher on one side.

    Yeah, lazy attempt. It was so freaking windy couldn't wait to get inside, lol. I'll do better next time.
  18. Si sits higher on one side.

    Here is the main culprit. Front right is higher than all other corners.
  19. Si sits higher on one side.

    Lol. That would have been a huge relief but no, nothing there.




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