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  1. 27WON+FBO+HONDATA+93 OCTANE 2018 Si RESULTS

    First e-tune of a 27WON bolt on turbo car with clutch upgrade and full bolt ons. 27-28 psi. 93 pump fuel (no ethanol) 290 WTQ @ 4190 RPM 280 WHP @ 6102 RPM **Disclaimer** these are virtual dyno results. This "customer" does intend on getting final numbers on some rollers once we finalize...
  2. Modern Torque Targeting ECU Drive by Wire Throttle and its benefits VIDEO

    Nice video going into detail of essentially how our modern hondas (and a lot of others) utilize the electronic throttle bodies for performance and control benefits.
  3. Disabling VSA via pedal dance method- more benefits

    Try doing it for about a week and see what differences you notice. They are subtle but noticeable to a driver like me. More consistency with shifts/take-offs etc because the system isn't trying to "help" you drive the car. Its just a smoother more responsive driving car when this is...
  4. Nevermind

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  5. Another good review for Meguiar's Ceramic Hybrid Wax (pic heavy)

    This stuff is supurb!!!!!! Wash car, spray everything, wipe down and rinse. This is all I did last night and no other waxing had been done to the car previously. It literally looks like I clayed, cut and buffed the car for 12 hrs. Really really good product. Look at that pearl in the new PWP...
  6. AVS Low Profile Vent Visors Coupe - Install Warning

    I dont even know what to say about this design except I cant believe the sheer stupidity of the front tab. When a person wants something that doesnt interfere with the window/channel they purchase vent visors which are stick on. Not in channel. These are a combo that for whatever brilliant...
  7. LaminX Fog Light Film

    Just did this last night in the driveway. Super easy install.
  8. Lets get real about bolt on "upgrades" on the stock calibration...

    Lets discuss the fact that on all 10th gen civic's, Si and Type R included; the factory computer and calibrations are torque based. Meaning they are designed to achieve a pre-programmed torque output target. No more and no less. Would this not negate any "improvements" to airflow and power...
  9. Love this shot of my 20' Coupe Si

    Was staring out my kitchen window.... apparently im into white lol
  10. 2020 Si vs 2018 IS350 on the highway was pleasantly surprising

    So my wife and I are tooling along the highway and one of my friend/customers is up ahead in the 2017 Lexus IS350 that I handle for them at my dealership. They also sold us our first house. We know them well and were roughly the same age etc. We slowly passed her in the high speed lane while...
  11. The verdict is in on what failed in my 2018 Si (ended up being exactly what I thought)

    Number 2 injector failed. I suspect it was progressively failing for quite some time. Another 2018 was in the shop for injectors/high pressure pump/ wiring harness replacement the day I traded lol. Anyone who thinks injectors are not a common problem should be aware that they are. Even with...
  12. 2020 Si Coupe vs. 2018 Si Coupe Comparison Thread (will update as things are found)

    Just took possession of my 2020 last night and so far have about 40 miles on it. There is another comparo thread that mentions how much more buttoned down the overall feel of the car is and I have to strongly agree. >Honda has seemingly made a lot of silent changes (for example the sunroof...
  13. My 2020 Si Coupe is being built as we speak!

    I will get to take delivery off of the truck by mid-December. Already has my name attached. White. I am so excited to have a brand new one again. Lots of little touches of changes and the sensing outfit will make my daily commuting that much better. I test drove a gray one and with the shorter...
  14. Trade my 18' SI- 20' SI vs 19' R vs 5.0 6-speed vs 727hp Whippled 5.0 base

    Cant decide. The ford dealership near me runs a special on mustangs with whipple blowers equipped by the dealer and dyno tuned/verified 727 hp for 39,999 brand new with a available 3yr/36k mile power train warranty. I can get an r for msrp. Strictly a daily driver role. No kids. What would...
  15. 1.5T Cylinder Imbalance Information SAE paper- background ECU controls that are not talked about.

    https://www.autonerdz.com/yabbfiles/Attachments/Individual_Fuel_Control.pdf More going on in our computers than we know.....
  16. Hondata Traction Control is AWESOME

    Just wanted to say how nice it is to be able to tell the computer the amount of allowable tire slip down to the percent! I have mine adjusted to barely haze the summer only tires I am running and it has completely surpassed my initial expectations. How awesome it is to literally hear the tires...
  17. Power Per Liter Hondata Flashpro Basemap for Si-

    Just to offer fellow Hondata Flashpro owners: I am now offering my custom end-user Hondata Flashpro tune file I have developed on my daily driven 2018 Civic Si for those who would be interested. Testing has been being done for +25,000 miles and counting. This is not a "max power tune" ...
  18. ATTENTION NEW OWNERS: STARTER INFORMATION-How to prevent blowing up your car.

    This thread is for starter enthusiasts that are new to modifying/owning a turbocharged 10th generation Honda 1.5l turbo engine. Open discussion. Willing to edit. Also this is only here by request of some newer members. The intended goal of doing this is to provide a condensed combination of...
  19. Those that are tuned: Calibrate your AFM!!

    What a difference it makes. Im calibrating even while using the oem airbox without the resonator. Its been off by 5-10% in some spots. The difference in drive-ability is absurd. Hence the reason for this post. If you have an intake I dont care what brand- you would benefit from fine calibrating...
  20. Mishimoto Si intake blue hose- 250.00 shipped lower 48

    As title states I have a gently used mishimoto intake that was used on my 2018 Si for 15k miles. 250.00 shipped.


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