Ek4, how to increase horsepower...


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dogzy101

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Jul 17, 2008
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Hey guys, new to the forums. im abit of a honda noob, but got myself an 97 Ek4 (will upload pics when i get home from work).

But i was wondering what is the list of things that can be done to increase hp?
Remapping, New Manifold, Air filter etc

thanks
Dogzy101

:drive::drive:
 
to increase hp will depend on your goal for the car! 1/4 mile, street, circuit etc?

You could try an induction kit, manifold (de-cat), and new cat back. You should notice more gains by these mods.

You have turbo in mind or want to stick to NA?

hope that helps
 
Yup, what exactly is your goal. If you let us know, we can help you further :)

Most people fall into the "horsepower trap" when they first start modifying, and 9 out of 10, you really don't require more hp for what you want to achieve.
 
in the states, the majority that get stuck with an ek4 engine, **is it still a d16 series for you UK drivers??** arent satisfied with its performance after dumping in so much money into that engine. Most are SOHC :( But dont get me wrong, ive seen these engines reach up to 300HP BUT theres ALOT of work and Tuning involved and reliability issues start to kick in. Id say go for a B series swap, For prob the same amount youd be spending on "serious" mods, you can have yourself a nice palette engine to be working on and you wont be disappointed. But if your only looking for making 20-30HP gains, several hundred dollars will get you there.
 
DwP02 an EK4 gets a B16A2 engine producing 160hp, are you sure the EK4's in the US dont receive this same engine?
 
X_Ice_X said:
DwP02 an EK4 gets a B16A2 engine producing 160hp, are you sure the EK4's in the US dont receive this same engine?
Click to expand...

EK4's were never released in the US (EK is JDM), only the Civic EM1 coupe 99-00 came with the B16A2 engine.

btw we do have a PhDM EK4 SiR 4dr sedan with a B16A2 engine.
 
US 96-00 Civics only saw these engines

CX, DX, LX (EJ6) Coupe/Hatch/Sedan - D16Y7 SOHC Non-VTEC
HX (EJ7) Coupe - D16Y5 SOHC VTEC-E
EX (EJ8) Coupe/Sedan - D16Y8 SOHC VTEC
99-00 Si (EM1) Coupe - B16A2 DOHC VTEC
 
Sorry for late reply guys, been busy with work etc. The engine is the B16A2 thats correct and i just want more speed for street driving. At the moment the vtec kicks in around 5600rpm which in my opinion may seem to high?

At the moment i'm yet to change, Manifold and i havent had it remapped yet. Hamp oil filter and new semi syth oil goin in this week or next. Theres a better than OEM Air filter put in it, which only cost around £50. I got told for the price of decent Air filters the increase in Hp isnt really worth the price. How much more hp am i looking to be getting from a new manifold and a remap?

Thanks for the replies guys, Dogzy
 
Yup, classic case of "bhp is everything" :p

If it's just street driving, you don't need more bhp. What you want is more acceleration and better handling. In your situation/application, going for bhp will not get you the "real world" results you were hoping for. You'll just be sorely disappointed.

1) Forget about the aftermarket Intake/Header, you don't need them yet. If you must get an exhaust, get one based on looks/sound, not for how much bhp it supposedly makes.

2) Sort out your chassis with some decent springs or coilovers. If you're geometry is out of whack, get it sorted first.

3) Change your final drive to either a 4.785 or a 4.928. You will notice more "real world" difference with this one single modification than you would spending $$$$'s on an Intake/Header/Exhaust.

4) Not that I'm saying you can't drive, but learn to drive the Honda B-Series and you will surprise everyone you know.

Once you've got these steps done, then you can start thinking about spending more money on your car ;)
 
Well theres already an exhaust on there that sounds and purs nicely, i'll have to get the full spec of my mate as it was his car. He's got OEM discs with Dixcel disc pads, brakes seem rather nice to be honest. Im honestly just looking to kenk a few people in acceleration yes, so wud a remapping to allow the vtec to kick lower than 5.5k rpm be a gud idea?
 
Good idea? yes. Real world difference? Possibly, depending on your tuner and what ecu you use.
 
Any idea how much a tune up/remap is? for a decent but not over expensive one. Thanks
 
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