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  1. Mechanical Problems & Technical Chat
    I have a 2007 Civic Si, the car was working great until one day when I tried to turn it on a bunch of lights came on and the tachometer was stuck in 0 RPM (even though the car was on). The temperature gauge was off and the ac was hot. After a few seconds the tachometer and temperature gauge...
  2. Mechanical Problems & Technical Chat
    Hey guys, I recently bent my subframe in my Civic Si in a accident i had its not too really too bad and i plan on taking it to a body shop. But im just wondering if im able to switch my subframe with one from a base model civic or if theres any way to make one fit. I would really appreciate the help
  3. Civic Si
    Hello, sorry for the stupid question but I need to make a oil change for my 2007 Si but idk what type of oil is the best for it, the car have 190xxx miles on it and I need to change the oil for the transmission too! What type of oil u guy recommended me thx!
  4. Mechanical Problems & Technical Chat
    I have a 2007 civic si that recently the engine locked up and had ordered a new engine to replace it. I was aware it was a k20z3 from an acura(rsx, tsx, etc) and had confirmed its fitment with the seller. Now the garage that's replacing the engine is telling me that the passenger side mount does...
  5. Mechanical Problems & Technical Chat
    The issue I'm having right now with my 08 Si's transmission has gotten worse over the course of 1 to 1.5 weeks. It started out as a very faint noise coming from the engine bay to a loud whirring/grinding noise (sometimes clicking) when the clutch is engaged/disengaged. Whenever I let the...
  6. Lighting, H.I.D.'s, & Neon
    THE EASIER WAY to install hybrid/jdm style mirrors to your civic! Enjoy!
  7. Clutch & Transmission
    I was on my way to school and a screw just popped off and now I can only use 3rd and 4th gear and nothing else. Any help?
  8. Inside and Out
    Hi, will a 2007 Si coupe grille fit on a 2007 ex coupe? I just want to know if it’s the same size (lenght) or will ir look good on it, thanks
  9. Mechanical Problems & Technical Chat
    * Video at the end of this post * Anyone have any idea what causes the car to click when accelerating from a dead stop? The clicking even sometimes happens when I accelerate going about 50 km/h (30 mph) in 4th gear but not as bad as going from a dead stop. When changing gears, the clutch pedal...
  10. Mechanical Problems & Technical Chat
    Hello, Hopefully someone can help me! My honda civic 2009 si car battery died (maybe i left a light on). But now i cant unlock the door, to open the latch to boost my battey. Any suggestions? Key hole seems to work electrically. No key hole for the trunk either? :(
  11. Mechanical Problems & Technical Chat
    Around 2 weeks ago I picked up a 2008 Honda Civic Si Sedan and on the front driver and passenger side doors, the handles stick out and aren't seated properly against the door itself. Every time the passenger side door is opened, the handle would have to be pushed in in order for the passenger...
  12. Dealership Experience
    Hey guys! So I’ve found this great looking 2007 Civic Si sedan but it has 180k miles on it for $5700 and been in a low impact accident on driver side door. The car fax said it had 6 owners, it’s passed multiple safety tests when being resold, and also kept up with oil changes fairly well (around...
  13. Mechanical Problems & Technical Chat
    What's up 8th Civic, I have a 07 civic si, 220k miles. I was doing a pull yesterday and as soon as I hit 4th gear, I got a check engine light, the VSA light came on, and the VSA activation light (triangle with !) came on. I shut off and restarted the car, the vsa lights went off and have not...
  14. Civic Si
    I have my 07 civic si, a sedan, about 2-3 weeks ago the car was not letting me drop down rpms or else it would just die unless i kept in high rpms, as of recently I changed starter and battery and now runs in idle perfectly fine but as soon as i put it in gear it dies instantly but I could leave...
  15. 8thcivic.com Site News
    So I bought a pos civic si coupe and I had to put in a converter, o2s, sparks, oil change, and now I’m about to put a new ecu in. I am gonna have to Souter the immobilizer chips in the new one because it’s a junk yard eBay one. But regardless I had a code for a high or low voltage to pcm and a...
  16. Articles - Engine, Other
    My son bought this 2020 Civic Si and the previous owner did some engine modifications. These pictures show the battery has been lowered to create a large open space and that brings up two questions. 1. The highlighted portion shows an open hose, what would this attach to and does it need to be...
  17. Intakes, Exhausts, & Headers FS
    Just wondering what you guys recommend for a catback exhaust with a deep tone that pops and bangs while decelerating and using launch control with or without tuning it? Car has a greddy exhaust but no pops lol.
  18. Articles - Engine, Other
    This might seem like a dumb question, but I can't seem to find an answer. What series of k-20 does my 2006 civic si have? Is there an under-hood badge I can find that will tell me exactly? Thanks guys, Lunchbox
  19. Car Builds
    Hi all. Someone broke my passenger side mirror. Thanks to Youtube, I removed it successfully; however now I am trying to find a new replacement mirror assembly (and hopefully the Habanero Red painted color or cap). The part number I need for the new mirror assembly is: 76200-SVA-A112-M6...
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