CVT with Full Bolt Ons and Turbo Upgrade

  1. xjoshuax89

    xjoshuax89 Senior Member

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    #1 xjoshuax89, Dec 27, 2019
    Last edited: Feb 3, 2020
    This will be an on-going journal and thread about bolt on modifications to my Civic and reasoning behind some of my changes on a CVT transmission.

    Here are some baseline information to start off with.

    Year: 2017
    Make: Honda
    Model: Civic Hatchback
    Trim: Sport Touring
    Transmission: CVT
    Country: USA

    Modifications (for power):

    27WON Performance Hybrid Cold Air Intake
    27WON Performance W1 Turbocharger

    PRL Motorsports Race Downpipe V2
    PRL Motorsports Frontpipe
    PRL Motorsports Front Mount Intercooler and Charge Pipe Upgrade
    PRL Motorsports Flex Fuel Kit

    Greddy Performance Supreme SP Catback Exhaust

    Ktuner V2 Custom Tune (by: Derek Robinson at Innovative Motorworks)
    Other Changes:

    27WON Performance Rear Motor Mount
    Tanabe Front Tower Strut Bar
    Whiteline Performance Rear Sway Bar
    Ktuned Rear Camber Kit
    BC Racing BR Coilovers
    Konig Ampliform
    Continental ExtremeContact DWS06
    HFP Tailgate Spoiler
    BMSPEC Front Splitter
    BMSPEC Rear Diffuser


    So with all these modifications what sort of power do I get out of this setup?

    Here is a dyno graph of my setup.

    293whp / 257wtq on a e35 blend.
    261whp / 236wtq on 93 octane.
    upload_2019-12-27_16-16-48.png

    Also here is my 1/4 mile times with the setup. Best of that day was 13.34 @107.88. I know that there are faster CVTs than me like in Asia but on regular street tires and regular 18 inch wheels, I have yet to see a setup beat mine.

    upload_2019-12-27_16-21-45.png

    So that's the numbers behind the build.

    Now to explain some of the factors that led me to choose the upgrades and parts that I did.

    1). I know that the L15 in the non-Si do not have as strong connecting rods and other internals. So I know that going super high boost is probably not a good idea unless you build internals.

    2). I know that the fuel system (in particular the HPFP) is not as good as the one in the Si. I preferably want to stay within basic limits of the factory fuel system unless a viable aftermarket option becomes available or even swap to the Si one if its an easy change. I have been informed that this requires a bit more work. In order for me to use the Si HFPF, I would also need to switch to Si camshafts.

    3). I know that I have a CVT and thus the transmission cannot hold the same amount of torque that a manual transmission could hold.

    4). I know that I want to track my car and do some 1/4 drag strip days in it but still be viable as a decent daily driver car. I commute to DC and I am often stuck in traffic a lot.

    So these factors all direct me to certain parts I wanted to go with.



    Why 27WON W1 Turbo vs PRL Big Turbo?

    1). Cost is a factor in regards to the turbo upgrade I wanted. 27WON will cost around $1600 vs a PRL Kit which is around $2400. (A tiny bit less with PRL if you already have the downpipe, however, you will need their intake if you go with the PRL turbo kit). So even if you consider the fact of the intake a wash, there still is a big difference of at least $400 dollars (with consideration of the downpipe being included in the PRL kit).

    2). Utilization of the Garrett Turbo. Due to the CVT and even larger size turbo than the 27WON, there would be a bit more lag in the turbo and I wouldn't be able to really utilize the perks of the turbo until high load/high speeds. Is $400 dollars worth that slight bit of possible increase in power at the top end that I may not be able to utilize that often?

    3). Drop in OE fit vs an aftermarket solution. 27WON's turbo keeps the OE style fitment in mind and has developed theirs so that other modifications could fit into it without issues.

    So cost played a big factor in my decision. I already had the prl downpipe and would have to sell the downpipe if I bought the turbo kit. So while the cost difference is $800ish, I would only re-coup like $400 if I was able to sell it and I would have the burden of selling it, shipping it and ensuring everything went well on top of the fact that I would have to switch cold air intakes to the PRL system which would add another $400 or so in cost.

    So to upgrade my turbo I would need to spend close to $3000. That for me is a significant investment in a daily that I did not want to tie up so much. Your financial situation may be different from mine and may play a lesser role but for me I didn't nor had the funds at the time to tie up $3k.

    Why 27WON CAI vs PRL CAI? (Revisited)

    1). Design. I liked 27WON's design. I live in MD where I do experience some flash flooding. With a lowered car and roads that can get flooded easily with 6+inches of water, being the paranoid person I am I didn't want to risk hydrolocking the car.

    Now I know this is a pretty hotly debated topic but I honestly think that it really depends on your usage of the car, the region you live/weather and what you are and are not comfortable with. I know that hands down that the PRL CAI will be better for performance. However, I know that it would not take much to wet the filter and possible suck up water with the PRL CAI.

    You don't have to drive through 1 ft of water to hydrolock your car and it could only be maybe 6 inches but some stretches of road where 1/4 of a mile is submerged underwater is possible. While I don't do it often, it does occur and for me the peace of mind that 27WON's offered was good for me.

    2). Looks. Now aesthetics is all in your own eyes. What I think as looking good might be ugly to you and vice versa. We have our tastes of what we like and don't like. I liked the color scheme and looks of the 27WON CAI. I know this car won't be a HP monster or a track beast. Its a CVT, its a daily.

    3). Uniqueness. 27WON was relatively a lesser known company and with its small team. I saw their efforts to build parts for the 10th gen platform. I saw that they were genuinely interested in feedback from the market (buyers). I wanted to root for the underdog. Their mindset seemed to be solid. Not 100% race race race but well thought, well designed, and keeps the consumer in mind. This is not to say other companies don't but I thought that 27WON had the right balance of what I wanted.

    Update:

    I am currently looking into actually switching to the PRL Race MAF CAI but I am holding off for the time being. Why is that?

    Well I am running into the issue of CEL (check engine light) P0103 Mass Air Flow (MAF) Circuit High. Essentially what I am running into is the fact that I do not have a large enough MAF housing for the amount of air I am moving. The voltage commanded by the ECU to the MAF is at its limit.

    So the fix to this issue is to get an intake with a larger MAF housing. However, the only company that has a larger MAF housing available is PRL. I have spoken to 27WON and I was informed that they are working on a larger MAF housing for the non-Si. I was told that it would be available sometime this spring.

    While I would love to stick with 27WON, it comes down to time for me. I would like to put in a few runs just as the tracks open up and before temps rise too much so I can best take advantage of the weather conditions.

    ======================================================================================================================================================================================
    Issues:

    The following are some CEL issues I have run into while on this setup.

    P0103 Mass Air Flow (MAF) Circuit High
    P0088 Fuel Rail/System Pressure - Too High
    P0238 Turbocharger Boost Sensor A Circuit High


    As you can see, there are limits to what this car can be pushed too. P0103 can be fixed via a new intake/maf housing. The P0088 is a more tricky issue where as there is no direct fix in the works, based on the limitations of the stock fuel system, it would require some other modifications. Perhaps Si camshafts, or accord camshafts to accommodate a different HPFP. P0238 would have to be worked with dialing the boost down or in the case of getting a new 4bar map sensor and having ecu support to read the 4bar map sensor. Current stock limitations is at 29.9psi due to 2bar map sensor.

    ======================================================================================================================================================================================

    Now let me clarify and state that I am not paid/sponsored/partners/etc... with any of these companies. (Although I very much wish I could be) I choose that parts that I believed were best for my build, my budget and my utilization. You may or may not have all 3 same priorities and thoughts in mind when building your car.

    More comparisons and reasoning of why I choose a certain brand part over another will be updated at a later time. However, I just wanted to jot down some starting points due to the same questions being asked and thought I could help save some time for me and also help provide information for those who may want to go down the path I did.

    If you have any questions or want me to elaborate on certain things please let me know either in the thread here via comments, PM, or contact via IG DM (I tend to check IG more often). IG: @that_pmm_fk7
    Until next update!
     
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  2. OP
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    xjoshuax89

    xjoshuax89 Senior Member

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    Pics of the car.

    20190914_172145.jpg

    IMG_20191001_180313_082.jpg
     
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  3. Maroco

    Maroco Senior Member

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    This is so awesome. Gives me hope for my buddies cvt hes building lol
     
  4. CVCTURBO

    CVCTURBO Senior Member

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    I commute from VA to near DC, where do u live?
     
  5. silverrascal

    silverrascal Senior Member

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    Just curious @xjoshuax89 - on your 3rd run against an "ex hatch" - was that a 10th gen also? And was it modded?
     
  6. OP
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    xjoshuax89

    xjoshuax89 Senior Member

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    Yup that was the famous @Myx
     
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  7. OP
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    xjoshuax89

    xjoshuax89 Senior Member

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    Live near Rockville, MD
     
  8. Jillest

    Jillest Mo powa baby

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    Awesome build man! Definitely gives me hope for my hatch lol
     
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  9. Lucky13_X

    Lucky13_X New Member

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    Awesome build and post! I have the same car and it’s my daily as well for now. I’m going to be installing the turbo back system from 27WON soon. Im planning on getting their CAI (currently have an injen cai installed) and eventually the turbo upgrade as well. I’d love to have them throw me some parts as well!
     
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  10. Muscleman

    Muscleman Member

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    What's your 0-60?
     
  11. OP
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    xjoshuax89

    xjoshuax89 Senior Member

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    Not sure as I never really cared much for it but based on rough calculations based on my 1/4 mile slips I'm probably a low 5s 0-60.

    Stock CTR does the 1/4 in 13.6 at 104.7 and mine is slightly faster than that at 13.34 at 107.8. So perhaps a 5.1s or maybe 5.0s?
     
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  12. Myx

    Myx Senior Member

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    #12 Myx, Dec 29, 2019
    Last edited: Dec 30, 2019
    Based on @xjoshuax89 best 1/4 mile run and his 1/8th mile time of [email protected], according to THIS site he ran a 4.28 second 0-60mph run.
     
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  13. Civics4Ever

    Civics4Ever Rally Red EXT

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    Holy s*%$! That is impressive.
    What gear is used on the CVT?
     
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  14. Muscleman

    Muscleman Member

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    Wtf you serious? Hows the cvt not fried yet that's Amg c63 speed right there ...you sure you not mistaken? If it's TRUE I'm saving to get that set up immediately
     
  15. 63blackseries

    63blackseries Senior Member

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    Man this seems legit makes me wanna trade in my 2.0 for a 1.5 Hatch
     
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