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Sedans Honda Civic Honda Civic Coupe / Civic Si 2006+
1033 messages, Last post on Sep 15, 2009 at 7:27 PM
You are in the Honda Civic Forum. Your Hosts are pat & karens
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Replying to: xmontx (Mar 31, 2007 4:43 pm) |
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Replying to: xmontx (Mar 31, 2007 4:43 pm) One thing though; v tec hasn't been 'kiking in' at 6k rpm's since 1999; b series v tec is different than the i-vtec on your si. The switchover occurs when the engine starts being driven more aggressively; hence why they call it i vtec (i for intelligent.)
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Replying to: eldaino (Apr 02, 2007 7:21 am) Thanks again guys!
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Replying to: xmontx (Apr 02, 2007 10:41 am) Is yours a coupe or sedan? And what color?
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Replying to: eldaino (Apr 02, 2007 10:42 am) It's an amazing car. I remember the first time I just gunned it after breaking in my car and then once I heard the vtec kick in, I kept wanting to hear it more often! I want to get some HID installed on the car but I just found out that it's illegal to get HID kit to get it installed. Some DOT gov't violation for not installing it correctly or something.
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Replying to: xmontx (Apr 02, 2007 10:49 am) Still going on about the vtec 'kicking in' i see... 
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Replying to: eldaino (Apr 04, 2007 10:15 am) I was thinking of getting the K&N air filter. I heard it opens a little more power for the engine, but not significant to noticed? And once my warranty is done (3 years I think) I'm thinking of reprogramming the chip? Not sure what the technical term is. But it is suppose to kick in the Vtec  5 RPM instead of the stock 6 RPM. I heard that cost $600 USD. Do you suggest any other modifications that you have done yourself to your civic SI?
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hey i am a happy owner of a 06 civic si. living in the SF bay area and want to add some performance to my new ride. what does everyone suggest? i want to do as much as i can without going all the way to turbo..... i would also like suggestions on what i should do to make the car handle better, like lowering and stiffer springs and shocks. also i am wondering if increasing the width of the wheels and rubber will help. any suggestions will be appreciated.
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Replying to: pkarnig (Apr 04, 2007 1:44 pm)  But a nice HID lights on them looks really nice. But performance wise I'm still new to it all.
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Replying to: xmontx (Apr 04, 2007 11:51 am) The k&n filter will maybe give you more power when you actually dyno the car, but probably not enough to notice. It also does not do as good a job of filtering as the stock one would. You could re-program your ecu to make the engine deliver more power all across the rpm range, but it wont be a huge differance. As far as lowering when v-tec kicks in....YOU CANT. It does NOT 'kick in'. The reason many people think this is because the si delivers its max torque and horsepower right around redline. V-tec activates when YOU want it to, by driving more aggressively. As far as performance mods go, a full exhaust (full not just a tin can muffler), maybe a performance clutch and short shifter, air intake, and some headers would be the cheapest thing to do. It wont do worlds for power, but should give you the extra torque the si really needs! In all honesty, you will have to invest quite a bit to make the engine produce more power without forced induction.(turbo, supercharger.) And the cost of it may not offset the benefits or gains in power. Honda makes a hell of a four cylinder. There is very little you have to do to make sure it can handle a turbo. When you do, you'll have a very different car. As far as suspension goes, if you don't want to void your warranty, you can get honda's own facotry performance suspension kit, or if its not an issue, go with a good company like h&r or eibach. If you go to the tirerack.com, you can look up your si and they will show you some really nice suspension components for it. Hope this helps!
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