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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 (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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I just bought a 2002 Honda Civic SI hatchback. The car has everything stock from the dealer since new. However, the steering is very stiff on this car. I test drove another car of the same make/model and it does not have this problem. The car pulls slightly to the left and it seem to want to jerk away right/left after going over "bumpy" roads. Any ideas?
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Replying to: subaru_man (May 01, 2007 5:41 am) 
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Replying to: dtm57 (Mar 22, 2006 7:01 am) I think the problem lies in a faulty EPS. I read a brief article on how the EPS system works and it is speed sensitive. The EPS adjusts steering based on the car's speed. My thinking is that as the car speeds up, the steering is suppose to get stiffer, giving the driver a better steering control at higher speed. During low speed, the steering control should be lighter. I think the EPS computer has a malfunction (fault in that it thinks the car is at some high rate of speed) and keeps the car STIFF all the time. Any thoughts?
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Replying to: subaru_man (May 02, 2007 3:58 pm) from what i hear, eps can actually be re-programmed to be more or less responsive depending on the drivers needs. my vw rabbit has eps, but its one of the most accurate ones on the market.(for an eps ofcourse.) Having said that, the eps in the new civic hybrid and in the new si is VERY much so responsive. |
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I'm curious what motor oils you use on your 2006/07 Si. I drive a 06' Accord 2.4L which sometimes I drive it hard. So far I've had my oil changed at Honda Dealership where they exclusively use Agip Motor oil. It Agip of good quality? How does Agip compare with Castrol and/or Mobil 1 (synthetic)? Once in a while I drive at high rpm (4000-5500). Will I benefit from using Mobil 1 for extra protection of engine, less wear on moving parts inside engine, etc? Please share your experience. I wonder what motor oil Honda uses when they replace it on a Civic Si or S2000? Thanks, Richard
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the place i had my honda serviced at always used castrol, which was the same thing as the dealer...going synthetic does yield better performance, but its if you are really going to slog your car around for years. But there should be no problem with using reg oil in your civic/accord even if you drive it hard. i've never heard of the oil your honda dealer is using. |
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Replying to: eldaino (Apr 05, 2007 9:46 am) That explains it all. You might want to actually go drive one of the new ones before boldly declaring that i-vtec doesn't "kick in." I've driven it, and it does "kick in" around 6,000 RPM or so. It's quite obvious, too. It's accompanied with the usual vtec ruckus and a slight bump in acceleration. |
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Replying to: tayl0rd (May 22, 2007 4:27 am) 1. The vtec employed on newer k series engines is totally different than on the old b series engines that were notorious for the obvious v-tec engage. 2. having an ex means nothing; it employs the same type of vtec (i vtec) that the si uses, just to more relaxed degree. you gotta remember that the si makes its all its power very close to redline; most would agree that depending on where in the rpm range your particular car makes its most power, its usually at its loudest and most brisk with regards to acceleration. the vtec is always 'there' on the k series engine; it has cams that activate under different circumstances in higher rpm ranges, but this changer over is much more subtle than it was in previous vtec applications, in which v tec did not engage AT ALL until you reached a certain rpms.
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Replying to: eldaino (May 22, 2007 6:47 am)
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