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i have an 04 civic dx with the non-vtec engine. i am planning on doing the ex head swap and turbo charging it, but not for a while. by the end i want to have about 250+ whp. i am planning on doing a bunch of work to the head and valves before i install it. i dont know whether to get the vafc2 or the ex ecu and wiring harness or maybe an emanage system or something, but i have no idea. but before i put on the turbo and strengthen the internals, which will be in like a year, i want to just get some bolt-ons, like intake mani, cold air intake, spark plugs/wires cat back exhaust and high flow cat, some cam gears and maybe some new cams. but i have no idea on what types or brands of parts are better than others, or which ones to get and which ones not to get. i just want to set a good foundation, like maybe 150 whp so when i put on the turbo kit and new pistons and connecting rods, i can hope to get out about 250 whp. do you guys think this is possible, what brands/parts should i get?

 
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all the work that you plan to do to your car may not be worth it. ive read that a turbo is not the greatest thing to put in your car. you may reach the 200 hp, but 250 whp is too much to ask from a d series engine. it sounds like your already gonna spend lots of money. if i were you i would get a engine swap. a k20 will start you off at 200 hp stock, bolt ons work well with the k20. start at 200 and work your way up. and with a swap the the 250 whp can be reached.

 
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Uhm 250 is possible with a d series as long as you know what your doing. If you are doin internals then you will be fine to reach 250 as long as you have a good fuel system and engine management.

 
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alright, so if i upgrade to the k20, how much would that cost, about, for the engine, and do i need the wiring harness and ecu, what? i am planning on doing all the work myself, so there won't be any install fees, just the cost for parts. and if the k20 will give me 200 whp stock, then surely i can get 250 whp N/A. what would be the best parts to get that power, and what would that cost? in the end, i want to spend as little money as possible while getting 250 whp. if i keep the d series engine i have now, ill turbo it, but if i do the swap, im keeping it all motor, and i do not want any nitrous.

 
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K20's can run for about 2-3k from what i've seen... and yeah they do pack a 200 hp stock so i'm guessing you could still throw in your exhaust plugs/wire, etc. and get close to that 250 whp... good tuning maintenance and a fuel system will also help you get there, like AThompson18 said...

 
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what the hell is that?

 
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not trying to be an *** or anything, but in my opinion you dont sound like you could do all this work your self. first, the d17 has no plug wires. second, the d17 only has 1 cam and 1 cam gear. i know its a cliche thing to say, but if you wouldve searched you wouldve found hundreds of threads on this. 250 is possible on a d17. dezod got 396 out of one. please search and read before you get on here lookin like an ***.

 
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I think some major searching and reading is in order. Figure out what youre doing before you do anything.