In search of my ideal street car: 2011 Honda Civic Si build (8K+ N/A content inside) - Page 7
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    1. #151
      Member cournot's Avatar
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      New dyno with the smaller exhaust and new header. Actually gained 5-10lb-ft in the low end (2.5K to 5K) and didn't really gain or lose anything in VTEC. Very pleased--can hear myself think on the highway and haven't lost any power.

      I'm ready to call this motor done. Car is quick enough for what it is. Top end it's certainly as fast, if not faster, than my bolt on '15 Accord 6-6.

      It's still insane to me that what is essentially a lightly breathed on K20 will produce these numbers. Stock block. Stock head casting. Tiny street cams (stock valvetrain). With a catalytic convertor.
      Last edited by cournot; 02-22-2017 at 09:30 PM.

    2. #152
      Geriatric Member Aonarch's Avatar
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      Solid.


      Sent from my iPhone using Tapatalk

    3. #153
      Member cournot's Avatar
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    4. #154
      Senior Member Air and water do mix's Avatar
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      Well, that sounds interesting.
      Quote Originally Posted by Boyz in da Park
      Proletariat, Bourgeoise - Everybody smellin' my potpourri...

    5. #155
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      damn, K20s have come a long way since I last took notice.
      This in an EP3 would be dope.

    6. #156
      But... but... but people wanted turbos in their Type Rs back in 2001! Why would you ever want a high-revving engine?

      That thing sounds like a lot of fun.

    7. #157
      Member Ross1013's Avatar
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      Sounds great OP

      Makes me glad I kept mine, although I just drove it for the first time in 2 weeks today and it feels like an old slow POS
      Past: '06 Accord V6, '95 Taurus SHO, '01 ITR, '98 Civic HX CVT

      Quote Originally Posted by jamerican1
      Dude, you know you're like the opposite of a purist, right?

    8. #158
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      Still...want...so....badly.

    9. #159
      Member DubNMiatafan's Avatar
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      I've been reading through this thread since the beginning and the want for an 09-11 Civic Si is so, SO much. I think it might be my next car after the Miata. Cournot, you are truly an inspiration. I will be using this thread as a template for what I want to do to it when I buy one.

      ♪ Let's just drive, I wanna see what the wind does to your hair ♪

    10. #160
      Member J2G's Avatar
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      Quote Originally Posted by Chapel View Post
      This in an EP3 would be dope.
      It's dope here.


      Looks nice, OP. I think you're appreciating this well before others will start to appreciate them as they get older/rarer.
      Quote Originally Posted by compy222 View Post
      every on ramp was full of the sound of evil thunder consuming the spent souls of thousands of dinosaurs a minute.

    11. #161
      Member cournot's Avatar
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      Quote Originally Posted by Ross1013 View Post
      Makes me glad I kept mine, although I just drove it for the first time in 2 weeks today and it feels like an old slow POS
      That I don't doubt at all

      P.s. You should consider changing your PCV valve--often the cause of some oil burn...

    12. #162
      Member Ross1013's Avatar
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      Quote Originally Posted by cournot View Post
      That I don't doubt at all

      P.s. You should consider changing your PCV valve--often the cause of some oil burn...
      Soo many things to tackle. You're modding yours to the gills and I'm trying to figure out how to make mine drive straight and shift right again...and that's not even considering the quart every 1500 miles!
      Past: '06 Accord V6, '95 Taurus SHO, '01 ITR, '98 Civic HX CVT

      Quote Originally Posted by jamerican1
      Dude, you know you're like the opposite of a purist, right?

    13. #163
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      Quote Originally Posted by J2G View Post
      It's dope here.


      Looks nice, OP. I think you're appreciating this well before others will start to appreciate them as they get older/rarer.

      Agreed, I just prefer the EP3 body. Mostly the shifter actually.

    14. #164
      Member Pennywise's Avatar
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      Nice to see there's some updates to this thing.
      Global Time Attack: Every second counts.
      Support your local punk & hardcore scene.
      Quote Originally Posted by woofsburger View Post
      It's reassuring to know that when I finally hit the 98th percentile of US individual income, that I may then buy my dream car - a Toyota Avalon.

    15. #165
      Member Slipstream's Avatar
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      Quote Originally Posted by cournot View Post


      Fantastic build. Every time I write off the 8G Si this thread seems to resurface. I love torque too much to pull the trigger but I love the build. That header is a thing of beauty.
      08 c30 | 10 xc70 | seventwosix

    16. #166
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      Quote Originally Posted by cournot View Post


      See that little hump in the valve cover? That's the benefit of the K-series over the F-series (VTC). Here's a dyno of a pretty standard K24 setup (bolt ons, K20 head) versus a bolt on F20C.



      I expect K swaps to become more popular now that there's an off-the-shelf kit available to swap a K motor in (Ballade Sports). Power and cost-wise it's a no brainer if you want to stay NA. 300whp reliably on pump gas is formulaic at this point with a K24.

      Other benefits of a K motor include:

      1) Far greater availability of spares (specifically blocks)
      2) Far greater availability of aftermarket parts (e.g. cams)
      3) No FRM cylinder liners, just traditional iron liners that can be easily rebored

      Negatives are that you need the K20 cylinder head (or a TSX cylinder head with some light port work) to match the F20C/F22C head flow. Other than that the motors are very, very similar (in fact putting an S2000 crank in a K24 block is a pretty common way of making a "destroked" motor). The only difference is that the K got VTC since it came out a few years later.
      Wow, so K swaps in S2000s are a thing.
      That's an ENORMOUS difference in power and torque.
      I kinda want a K-swap... I love big RPMs

    17. #167
      Member cournot's Avatar
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      Just got around to putting these in, but for now, photos of the parts themselves.

      FD2 front control arms/hardened bushings
      SPC adjustable rear upper control arms
      Tein Street Advance Z coilovers valved to match FD2 type R springrates. Shock dynos posted a few pages ago.





    18. #168
      Senior Member Air and water do mix's Avatar
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      Very nice, but that vivid blue doesn't quite go with that particular green.

      Still enjoying the thread.
      Quote Originally Posted by Boyz in da Park
      Proletariat, Bourgeoise - Everybody smellin' my potpourri...

    19. #169
      Member cournot's Avatar
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      Quote Originally Posted by Air and water do mix View Post
      Very nice, but that vivid blue doesn't quite go with that particular green.

      Still enjoying the thread.
      Completely agree! I considered painting the control arms black but was too lazy, so blue-purple it is.

    20. #170
      Senior Member Air and water do mix's Avatar
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      Quote Originally Posted by cournot View Post
      Completely agree! I considered painting the control arms black but was too lazy, so blue-purple it is.


      Fair 'nuf!
      Quote Originally Posted by Boyz in da Park
      Proletariat, Bourgeoise - Everybody smellin' my potpourri...

    21. #171
      Quote Originally Posted by cournot View Post


      See that little hump in the valve cover? That's the benefit of the K-series over the F-series (VTC). Here's a dyno of a pretty standard K24 setup (bolt ons, K20 head) versus a bolt on F20C.



      I expect K swaps to become more popular now that there's an off-the-shelf kit available to swap a K motor in (Ballade Sports). Power and cost-wise it's a no brainer if you want to stay NA. 300whp reliably on pump gas is formulaic at this point with a K24.

      Other benefits of a K motor include:

      1) Far greater availability of spares (specifically blocks)
      2) Far greater availability of aftermarket parts (e.g. cams)
      3) No FRM cylinder liners, just traditional iron liners that can be easily rebored

      Negatives are that you need the K20 cylinder head (or a TSX cylinder head with some light port work) to match the F20C/F22C head flow. Other than that the motors are very, very similar (in fact putting an S2000 crank in a K24 block is a pretty common way of making a "destroked" motor). The only difference is that the K got VTC since it came out a few years later.
      I did not need to see that. That is very cool.

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