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  • CivicX

    What grade oil to use for Track use

    By Dave B

    The stock oil recommended by Honda is 0W-20 but I know not everyone uses that for track use. I also know that the car does not have an oil temp sensor and deduces oil temps from ECT and oil pressure and possibly other things. According to LogR, my oil can get to 273F with an ECT of 227 with a significant loss of power. My sources at Mobil 1 insist that their oil (and I would assume many others) are fine with those temps and don't lose effectiveness. Interestingly ( I am using Motul 300V... What grade oil to use for Track use

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  • CivicX

    Aftermarket rear sway bar noise and considerations

    By dgordon7

    Team X, sharing my humble experience with my 2018 LX, with aftermarket Whiteline 22mm bar and end links. The Whiteline bar is just fantastic and the biggest update for handling I've done. Completely transforms the car. Purchased from Unity Performance here in the GWN, as my WL spring kit. This message is applicable to any aftermarket bar . I installed this over 4 years ago and used the Accord end links. No issues and lasted well. This year; mid spring, had clicking and groaning... Aftermarket rear sway bar noise and considerations

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  • CivicX

    Whiteline aftermarket end links too long?

    By KOIVUN1

    I bought the Whiteline grip kit with the front and rear sway bars + end links, rsb install was pretty easy, only had to lift the car a little bit because of how much beefier the new rsb was compared to oem. Only problem is that the new end links clunk constantly over every bump. All nuts and bolts tightened to spec so my only guess is that they angle too far out and hit the control arm brace that is welded in for rigidity (presumably). Any ideas on what else it could be? I’d really... Whiteline aftermarket end links too long?

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  • CivicX

    Time for Clutch and Transmission repairs/upgrades

    By Ryujin2003

    I took my 19 Si to the dealer for some work as I celebrate 100k on my Si. I'm having coolant flush, transmission flush, and valve timing adjustments. I also asked them about a problem I've had with 1st Gear kicking my shifter into neutral when I put it under pressure. Apparently 1st and 2nd gear syncros need to be replaced as they appear to be damaged. I've had issues with my car violently kicking into neutral forcefully and grinding in 2nd ever since I bought it used around 40k miles. I'm... Time for Clutch and Transmission repairs/upgrades

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  • CivicX

    L15B7 down for the count

    By lowlife.drew

    Well, it was a fun run. My engine went Saturday morning; guess she didn’t like all the flying around & brake boosting the night before 🥲 Haven’t pulled it into my shop yet to see what actually happened, but it’s looking like I lifted the head…again….this time locking itself up. 108k miles, can’t be mad knowing it’s been modified for almost 100k of those miles, bought it brand new. With that being said, I’m considering just buying a new short block from HondaPartsNow, listed for $1437 right... L15B7 down for the count

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  • CivicX

    Side Sill Panel Removal ?

    By BriteBlue

    I watched a video on how to do this. But I also looked in the service manual which has been posted on this forum & cannot find where it shows how to remove the part. This image is from section 57 of the manual & the part is circled in red. The manual shows how to remove the steel rocker, pillar, etc., but not the trim. I also searched other parts of the manual but did not find how to remove the trim. Any idea where this is "hidden" ?

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  • CivicX

    2020 CTR For Sale

    By MediaMaster

    2020 CTR met tire barrier. Engine and transmission work and were not damaged. Less than 50K miles mostly highway, several track days. Unibody frame under car has no damage. Front passenger frame piece was pulled out and a new crash bar installed. The car is drivable but has no serpentine belt. I'm 77 and don't have the room or energy to finish this re-build so my loss is your chance. Car has always been garaged, never been in snow, no rust. There are 18", 19", and 20" sets of wheels with... 2020 CTR For Sale

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  • CivicX

    New Battery --> Died 3 weeks later

    By Check Out Bofa

    Stock 2020 Civic EX Hatchback, 60k. - I replaced the original battery 3 weeks ago, got an OEM spec battery from Autozone (about $220) - Today, the car was completely dead. Busted out the multimeter - 3 volts on the battery. - Jumped the car, tested the charging current - 14.5v. So the alternator is good. - Open circuit voltage: 12.45v - Serpentine belt looks good, tension is good - Have not checked the terminals on the alternator None of the lights were left on, doors closed. Car is... New Battery --> Died 3 weeks later

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  • CivicX

    Thuseefc - Mugen Si - P3 gauge - page 46

    By Thusee

    Hey guys, My names Thusee and from Toronto area, I'll be documenting my build thread here in hopes it helps/aids anyone attempting to do similar modifications. Some of you may be following my build already on instagram: THUSEEFC I am also the NSX tech at my acura dealership so hondas/acuras is my go to specialty and if anyone needs assistance with anything feel free to ask away. My is FBO with www.27won.com products, all other products 99% primarily... Thuseefc - Mugen Si - P3 gauge - page 46

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  • CivicX

    General Advice/Opinion on CarMax Offer

    By bribud12

    Hey all. New member here and I figured the General section is best for this question. I have a 2018 Civic Si Coupe (dark gray) that I am thinking about selling and CarMax offered me $23,400 for it. Please let me know if you think it is a good deal, or not. The car has been garage kept, so everything is in excellent condition. It only has 10,200 miles on it, but has been maintained and babied with no issues. Do you think this is a fair offer?

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  • CivicX

    CVT fill plug keeps blowing off - replaced breather valve

    By Vincentthecivic

    Changed HCF2 about 2.5k miles ago. Coming off the interstate, I got a whiff of hot CVT fluid. Popped the hood and looked to see if the fill plug had blown off again. Indeed it had. This is my second self fluid change, but even the last change from the dealership resulted in a blown fill cap. Reddit said the forward-facing breather value can get clogged with debris. During this last change, I replaced the breather valve, and faced it backwards. Caked fluid is all inside the engine bay... CVT fill plug keeps blowing off - replaced breather valve

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  • CivicX

    Clicking sounds in the cabin

    By DTReality

    Hello, A year ago I noticed weird typewriter-like sounds coming from, either dashboard or under the steering wheel, couldn’t pinpoint the location exactly, but it would come and go, didn’t stay forever. Today I noticed that sound again, in addition to the one I always hear, I heard an even louder one coming from the passenger side. What could it be? Your browser is not able to display this video.

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  • CivicX

    Si coupe spoiler flappy when going over bumps and closing trunk

    By alexvillamar

    hey guys i want to here your input on this little issue i’m having right now with the OEM Si spoiler i installed on my 2016 lx-p. whenever i go over bumps or close my trunk the center rattles a bit, everything is bolted down and secure for the most part. the good thing is when i’m going high speeds (70-80 mph) it stays pretty stable. does anyone know why this happens? is it because i didn’t replace the springs? or because the regular coupe trunk isn’t as durable as the Si trunk?

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  • CivicX

    FS: Mekede DUDU7 Head Unit (12GB/256GB) - Complete Kit w/ 360 Cameras & Harnesses for Any Trim

    By Church

    Price: $495 Shipped (CONUS) / OBO Condition: Used – Like New (3–4 months total use, factory screen peel never removed) Location: Denver, CO (discount for local pickup) Up for sale is a top-spec Mekede DUDU7 head unit for the 10th Gen Civic. This is the flagship 12GB RAM / 256GB storage spec. I am only selling because (sadly) I'm parting with my Civic. If you have researched aftermarket Android head units for this platform, you know the biggest headache is usually losing factory features... FS: Mekede DUDU7 Head Unit (12GB/256GB) - Complete Kit w/ 360 Cameras & Harnesses for Any Trim

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  • CivicX

    Joying 9" Install Guide on 2020 Civic Type R

    By sherryjenix

    Hey All! I just installed the Joying 9" headunit into my 2020 Civic Type R. There were almost no instructions that came with it, so I thought it would be helpful to do an installation guide! I searched up Youtube videos, but none of the videos showed the connections to the back of the headunit. Here is a link to the specific headunit I purchased. Since I have a Type R, I had to purchase it with Option C (with factory amplifier). I also added the AHD Reverse Camera option... Joying 9" Install Guide on 2020 Civic Type R

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  • CivicX

    27Won W2 Ball Bearing Install Question

    By Jet Asteroid

    Good morning everyone. I've been trying to install a W2 Turbo from 27won into my Si Sedan and it leaks oil. I wanted to see if anyone else has had a similar issue? I've installed the turbo twice following their Dozuki instructions. Oil comes out of the top where the oil feed lines goes in, and also leaks from the oil drain side as well. It also shoots oil out of the exhaust side, which is the most concerning for me. From what I've read, if oil is coming out of the exhaust side then... 27Won W2 Ball Bearing Install Question

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  • CivicX

    persistent error code p0035...

    By Stockblock

    Long story short my dash gets lit up like a Christmas tree when I accelerate hard, especially on turns. Quick scan shows p0035 but no physical damage can be seen on both the wiring or the terminal for said code. Turbo bypass valve circuit high is exactly what I seen on my obd2 scanner. When code is on I can drive normal no limp mode but I see max 2psi of boost. I can clear code and drive off happy seeing normal psi....that is until the code returns. Car is mostly stock only have a 27won... persistent error code p0035...

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  • CivicX

    Driver seat adjustment bar coming out of track (2016 Civic)

    By cwradio

    The driver-side manual front seat adjustment handle bar on my 2016 Honda Civic EX has come out of its track. I inspected underneath the seat and discovered that the lever spring is broken. Currently, I can still slide the seat forward and backward as long as I do not pull the adjustment handle bar forward toward the front of the car, which causes it to completely detach from the track. However, lifting the adjustment handle bar straight up safely engages the mechanism and allows me to adjust... Driver seat adjustment bar coming out of track (2016 Civic)

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