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Well a lot of people know i lost my job and i have been deeply depressed. I have had a lot happen this year and nothing seems like it gets better for me. So to get back on topic here I have both N/A pistons with a 12:5:1 ratio and turbo piston which is a 8:8:1 for turbo. Now the question is which one to build idk i am having a very hard time making it. I need advice i want to do the impossible. A lot of people have seen my intake manifold i build in the beginning of this year and that will be going on with this build.



Also i wanted to that i am building this car in memory of my Grandpa. My grandpa passed on when i was in 1st grade the first day of school he left money to my parents to buy them a guy my parents later on down the road bought the civic in 02 and i purchased the car off them in 05 and i paid for it out of my pocket. This car will be a show car and a weekend car. So i want to keep in mind winning car shows so everything is going to be custom.

To sum it up (goals)

Turbo over 400HP
N/A over 200HP



Thanks everyone i appericate everything

(if somoene wants to make a pole then thats cool)

 
Rep Power: 281

I thought ur intake mani was for forced induction. It seems like you want big power so just go turbo. I love n/a cars I don't know why maybe for their simplicity. In terms of bang for you buck... turbo is the way to go. N/A power does not justify the cost but you can save alot of money with labour if you can do the work yourself. I will say this.. if you want power with n/a YOU WILL NEED EMS or KPRO for fuel management. If you can't afford both go turbo.

 
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i know i am going to need ems or kpro i knew that from the get go lol just a hard decision

 
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is k-swap an option? i just see no way of reaching your 200hp goal with a N/A d17 without spending a shitload of money and lots of custom work.

but if swapping isnt feasible, i'd say boost for sure.

 
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Its all about money. You have to build a motor for each... by and large, its a matter of putting another $3500 into the turbo setup, or putting $500-1000 into a whacky header, another $1000 into some crazy head work and some and work into a big lift cam.
Either is gonna be fun in different ways IMO.... the NA one is going to be something where you're going to want to stand on it (you're gonna have to rev the **** out of it... 8 or 9 grand) the turbo motor is going to be more fun in traffic.

 
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i would say go for the NA but dont expect it to be cheap. getting past the 200 mark would be quite a feat. i would love to accomplish it with my planned build but i dont want to get my hopes up. You can go to my plans in my sig. i hope to spend about the same as a nice turbo set-up would in the long run. I could see reaching over 400hp in the turbo area to be just as hard as breaking the 200 hp NA would so good luck with whatever you choose.

 
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damn i wanna rev my car all the way to 9gs.

 
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just k-swap, get an intake, exhaust, header, and tune, and you're 200+

 
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building an all motor car is anything but simple. your trying to squeeze out every single bit of power out of a single cam, 1.7ltr motor. You do one thing, youll compromise another. To tell you the truth, building ANY type of motor, boost or NA is difficult. As someone once said, it isnt like playing with legos here.


anyways, back on topic, 200whp in a NA d17 is going to be a REALLY REALLY big feat. I think that would be WAY harder than a 400whp turbod D17.

 
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the one thing i could contribute to this discussion would be ths....its also just an idea...

believe an all motor car.. with nitrous would be very benificial.... building a car with low end torque and go wuld benifit the car.. and then once you start hitting the high numbers... i feel like turbo'd cars operate well at high rpms.. mostly... i have seen differently... but anyways.. it would be nice to see a n/a car becasue of great throttle response.... but thats just my opinion

 
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Its not "all motor" with a bottle on it.

 
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haha.. i no.. just worded it badly

 
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SInce you said it will be a show car. I would suggest turbo. All the beauty of a built NA engine is hidden in the head and in the block. Nice clean turbo system have much more bling factor on the show circuit.

 
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Oh... you can make an all motor setup look like pure sex... case and point:

 
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damn thats hot

 
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your right but just knowing i built something no one else has done is priceless to me. I would know its there

 
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Boilermaker1 you can answer this question real well. That intake manifold i built would that be better for an N/A build or turbo build. I think it would be ok for both but what do you think?

 
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That looks like a straight up boost manifold. Short runners make for good turbo use, but for NA you're gonna want them a little longer.

 
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turbo...for the 1.7

 
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Keep the D17, it would look just as nice as that K-lump if it had ITBs as well. As much as I love the turbo, high-power (relatively speaking) N/A D17s can be probably be counted in the single digits - I don't know of any personally.

 
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what about your siggy "N/A EM2 Crew!!
Don’t jump on the turbo bandwagon!!! Go Naturally Aspirated Baby!!!"

 
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you got me there but i need to do what my heart wants me to do

 
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^ or what we tell you to do... lets face it, if you were going to follow your heart, you wouldnt have made this thread.

I have my NA build under way... kind of. Have to push it off to next summer kuz I dont have money atm for a standalone on top of headwork.

Turbo 400+ has been done.
NA 200+ hasnt.

I'm hoping I can hit 160 when all is said and done..

Its basically me, civic driver, and a few other cats that have gone NA. Isnt it something like 148bhp for the number to beat?

About the pistons... if you spray, do u want a higher or lower compression?

 
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It doesnt really mater supermex has those low compression pistons and he is sparying andi think you can spray on a high compression piston to

 
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BOOST FTW!
K20a swap FTMFW!
k20 swap + Boost FTMFW x 2!

 
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yup people do it on their RSX Type-S's all day... They are high compression engines, as compared to the base RSX which is a low compression. But the people on CRSX say that its better to boost a low compression engine. Like they say they wish they had the base models compression, but still the performance of the Type-S.

So im guessing its better to boost/spray on low compression.

 
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Yeah, its better for boost on a low compresison, better for NA for a high compression... but spraying... I dont know, I'd guess low compression, but havent researched.

 
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All depends on how stout the rods are.

Spraying basically has the same effect as boost as far as the combustion chambers are concerned. You're suddenly forcing the pistons down at higher rate than stock when you stick the bottle in her mouth and she starts suckin'.