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Posted: 11/26/07 11:25 AM
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Hey, im new to the import scene. I recently bought a 2004 Honda Civic LX, and want to know and find out about what i can do with my car. any information as to what engine type and links are helpfull. I want to make it a street/strip car. im going to make it a racer as well as daily driving, with maximum power.
Thanks
1985 BMW 318i -All Stock-
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K20Z3
Guru
| Posts: 864
| Joined: 09/07
Posted: 11/26/07 11:53 AM
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for a strip car theres no potential for under $15,000. you can make it faster but not "fast". i would do an engine swap, or build your current engine for forced induction with low compression pistons, stronger rods, iron sleeve your block, and get a front mount intercooled turbo kit with 540cc fuel injectors. I love civics. I have an 07 Si. They make good reliable mpg efficient cars to learn on, but require a lot of money. The Si is a better flatform with the stock K20z3 motor and LSD, so maybe swap out to a K series. If you use your stock motor with stock internals you can maybe make 170 hp with bolt ons.
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Xx3kgtxX
Enthusiast
| Posts: 604
| Joined: 03/06
Posted: 11/26/07 12:00 PM
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First off i recommend going to the general discussion page and reading the New Car Sticky. That will give you a general idea on alot of things that go along with the cars and kinda prove as for why the civic isnt a good platform.
Now many people are going go ahead and tell you. A civic isnt a good platform for making a fast strip or street car. Its Front wheel drive and naturally aspirated. RWD and AWD are recommended when looking into cars. Also coming stock supercharged, turbocharged, or with a v8. You can turbo your engine but that requires a full engine rebuild; lower compression pistons, sleeved block etc etc.
I know you prolly chose a civic for a reason and most people do choose their cars for there own reason whether it be looks, economy etc etc. So if your not interested in selling the car i would recommend-
Intake, Header, Exhaust to start with. After you have enough money saved then pull the engine and rebuild for a turbo conversion. Not a civic guy at all so not sure what engine your car has in it.. Some guys on here that know way more than i do about them and can point you in the right direction in case of a engine swap or something of that sort would be recommended.
Btw intake,header, exhaust- Should cost you 300-600 dollars... Turbo conversion... Idk exactly for your car but im thinking 3-5k.
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K20Z3
Guru
| Posts: 864
| Joined: 09/07
Posted: 11/26/07 04:31 PM
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Intake, header, exhaust cost more like 300-600 per part for a civic.
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Xx3kgtxX
Enthusiast
| Posts: 604
| Joined: 03/06
Posted: 11/26/07 04:35 PM
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Ohhhh ya me and my friends get our parts on discount. Forgot to give normal prices lol. Intake, header, exhaust for my friends civic cost him like 300ish
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Posted: 11/26/07 06:28 PM
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Go to ProCivic.com they have a ton of stuff.
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Posted: 11/26/07 08:57 PM
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thanks for the comments. although i dont have the money for a swap, what is the best one swappable? also how much would it cost to do a total engine rebuild in order to support turbos?
1985 BMW 318i -All Stock-
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K20Z3
Guru
| Posts: 864
| Joined: 09/07
Posted: 11/26/07 10:31 PM
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It would probably cost more to rebuild for forced induction than it would to do a swap. A rebuild would be about 3-5 thousand before labor, and before the cost of a 3 thousand dollar minimum turbo kit. A swap would be about 4 thousand for the engine and 500 for labor. A rebuild would make more sense considering you want forced induction, but if you want a swap then go for either a K20Z3(06+ Civic Si), K20Z1 (06 RSX-S), or a K24 (TSX). They all come with 6 speed manual tranny, but the Z3's tranny also comes with Limited Slip Differential which does amazing things for a FWD car.
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Posted: 11/27/07 07:46 AM
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Thanks, im not sure which on to choose based on how much money i have, but what is the difference with naturally aspirated and forced induction? I know that in FI vehicles, you have systems like turbos or supers forcing air in, but how does NA work?
1985 BMW 318i -All Stock-
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Posted: 11/27/07 09:16 AM
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NA stands for naturally aspirated or a car that can only take in as much air as its intake and head flow will allow. Most cars on the road are naturally aspirated, the lack of a turbocharger to force air into the motor, drastically limits the engines capacity to make power. Nitrous is often added to naturally aspirated racing cars to help take in more air without adding a turbo or supercharger.
But generally speaking, your naturally aspirated 4-6cylinders are quite weak for making any power with, as they are designed for making small amounts of power from the factory and were never intended to have large amounts of air forced into them. The typical trait of a high performance naturally aspirated motor is an aluminum block and high compression pistons, both are traits you would not want in a boosting motor.
Now take my 3sgte as a prime example of a 4cylinder built well for a street/strip car unlike your civic ex's motor. It has an iron block, not an aluminum one, it has 8.5:1 compression ratio, your Honda vtec motors often have 10.5:1 CR's. A lot of Honda motors dont come with stock oil catch cans, or stock Metal head gaskets, which are nice features to have if you wish to race, but the 3sgte does. Your honda civic ex, probably has 240cc or lesser fuel injectors because it is not apt to taking in a lot of air. My 3sgte has 540cc injectors, more than double the size of a b18c's from the factory.
This makes for a 4 cylinder that although does not have much more or less displacement than the highly sought after Honda vtec b-series k-series and h-series motors, it can still drastically out perform them stock to stock. With a mere bolt on turbokit, I make around 330whp daily drive on pump gas, no other mods but for an intercooler, MBC and intake. Do the same to a Honda b18c and youll be lucky to break 200 whp without having to upgrade your ECU and fuel system.
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Posted: 11/27/07 10:33 AM
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Thanks, but i did some research and came upon a site, www.japanracingengines.com and they have the K series engines, but what about the F series, H series, and B series engines, or are K series the best?
1985 BMW 318i -All Stock-
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Posted: 11/27/07 10:53 AM
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K series is the best 4cylinder motor that Honda offers, but still vastly inferior in hp making capabilities to a 4g63/3sgte/ej20. You see, you keep picking high compression, naturally aspirated, aluminum blocked 4 cylinders as a motor you want to dump $5000 or so into having swapped into your car. Your car will still be slow, or run 14's or higher quartermile times when its all said and done, and compared to the guy with the 1g eclipse gsx that he bought for $3000 that spent $1000 in bolt ons to his stock motor, you will still be very slow.
In fact, if your wanting to be fast, I would go ahead and tell you that your next mod should be a "for sale" sign, and sell the civic, and buy a stock eclipse gsx/240sx w/sr20det swap, or even a celica alltrac, all those cars you can generally pickup for less money than it costs to buy a kseries motor and swap it into your civic, and will still be A LOT faster than a kseries swapped civic ex.
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