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  1. DIY Honda Civic Engine
    So I have recently installed and cold air intake and Megan racing header. Before it was completely stock under the hood. But i have noticed that there is a (DRL) light that flash’s, sometimes I’ll start the car it’ll be on and other times it will be off. At first I thought it was electrical like...
    r18
  2. Articles - Engine, Core
    I’m still a newbie when it comes to engines and I’m in a situation where I have to get a new engine for my 2010 Civic. It’s should be the same engine, r18a1, unless JDM spec is different than USDM. I asked a few mechanics for input and cost. Interestingly one of them noted that I also need to...
  3. Mechanical Problems & Technical Chat
    Hi all, so driving home from work, just cruising I got a check engine light, turns out it’s p0101, now I did some research and most say it’s a faulty MAF sensor, the engine runs fine, except sometimes hesitates to start, but once on it stays fine-ish, the rpm’s do fluctuations when rolling...
  4. Mechanical Problems & Technical Chat
    Hello All, I have a 2009 LX, my clutch feels mushy until about half way of the total travel distance until it bottoms out. It's also been very difficult to get into certain gears (Mainly 1st, 2nd, and 3rd). I also heard some grinding when I tried to go into 3rd gear. My clutch and slave cylinder...
  5. Mechanical Problems & Technical Chat
    I swear. I’ve had 3 R18s now, every one had an oil leak, and it’s always been from the VTEC solenoid. But with my current R18, it’s leaking again. This time, from another area. It looks like it’s coming from the top of the engine. I thought it could be the valve cover gasket, or the newly...
  6. Civic Coupe And Sedan
    I have 2007 civic dx-g and it has been making this sound for a while now but when I shift from neutral to 1st to start moving, it will make a light tapping/knocking sound and it will only do this when: - as mentioned, when I go from neutral to first, doesn’t happen in any other gear -when the...
  7. Articles - Engine, Core
    2008 EX coupe So I noticed some oil left on the driveway, and I noticed some spots of fresh oil drips and trails at the passenger rear of the engine near the lower torque strut mount: Anyone have any ideas what it could be? I’m going to keep looking for it myself, but any suggestions would...
  8. Civic Coupe And Sedan
    Hello All, I've been noticing that my all NA R18 with just a muffler swap (superflow 10) and resonator delete but still all cats intact is causing a loud backfiring noise around 2k -4k rpms on deceleration, it runs fine no bogging or power loss, just wanted to make sure my engine isn't gonna...
  9. Introduction & Pictures
    I've got myself a regular R18 auto middle eastern spec and I've been wondering what I can do to gain some power? My budget isn't that huge, but I can buy parts on a monthly basis. Also wondering if I can turbo it and if so how cheap can I go before getting into dangerous categories
  10. Articles - Engine, Core
    I have a 2010 civic dx-g 5sp manual. i’m looking for tips, info, and advice for my little guy. This is my first car i recently bought, 19 years old. a kswap is out of question for now because my r18 only has 140km on it. i know saving for an si is always everyone’s input, but with the price i...
  11. Garage
    Hello I stumbled upon the idea of adding paddle shifters to my tin can. Does anyone know if it has been done or even can be? there has not been much talk about it for years and majority of those talking about it were from an Asian country that already had it factory. I read that some people...
  12. Clutch & Transmission
    I have my r18 transmission disassembled and i wanna know if an si lsd would fit ,my friend has a cheap si lsd for sale and i wonder if it would fit in my r18 trans 2008 lx
    r18
  13. Introduction & Pictures
    Gutted cat manifold but new high flow cat should be here later today
  14. Mechanical Problems & Technical Chat
    (R18a1) 09 Hi! First time poster but I’ve been on this site for the past two years anyway I was trying to get ready for emissions considering I’m 6 months overdue and I couldn’t get my fuel trims anywhere close to healthy. I’m running excessively lean. I replaced my original fuel pump and...
  15. Mechanical Problems & Technical Chat
    I just noticed oil leaking from here and i’m not sure what that black cap is? What should I do and what is the name of it?
  16. Mechanical Problems & Technical Chat
    I have an 08 coupe exl with a 5 speed manual transmission. A piece of my bellhousing broke off and I’m struggling to find the bell housing and or a transmission that will fit. I have an r18A1 motor with the stock transmission. what are the different series transmissions? what series am I /...
  17. Inside and Out
    I just installed the hybrid racing cold air intake on my Si, and the relocation bracket that came with it cleans up the engine bay really nice, I'm wondering if it would fit on my 06 EX coupe. Anyone tried putting it on an R18?
  18. Civic Coupe And Sedan
    Hello, I am in a predicament. I drive 2007 R18 EX and I have owned it for almost 2 years now. I say I’m in a predicament because I would love to upgrade parts of the car like the suspension, electronics (Apple CarPlay), rims, and a full paint job but I’m just afraid of spending all that for...
  19. Mechanical Problems & Technical Chat
    YouTube Link to the sound of the engine 2006 Civic LX Coupe 130,000 miles Maintenance was not kept up well until I bought it a few months ago Always had a loud clack/rattle above 1500rpm Recently adjusted the valves Was driving today and it started making a bad clunking rumbling noise then...
  20. Header Discussion
    Does anyone have an RV6 Catted Downpipe/Header for sale for an 8th gen R18 Sedan? I am located in Missouri. 2008 Civic LX
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