D16z6

General engine questions/issues that aren't specific to the other categories
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D16z6

By CivicTypeR
- Sun Apr 13, 2008 6:44 pm #50380 Hey guys, I need some help. I want to get the most performance out of my D16z6, I mean to the very last push of HP. I really need some help on parts to make my D16z6 as fast as it should without turboing it. I really want to get to the 200HP mark without a turbo. So what I'm asking is if anyone can throw ideas at me, list of stuff, i.e. Skunk2 etc. And also components, such as throttle body, manifold, pistons, rods, cams etc. etc.
I'm also thinking on a Spoon ECU so that the VTEC kicks in at earlier rev's.

Remeber, I want to be just engine, no turbo.

On a quick note, I will be turboing this very later this year.

and at the moment, I currently have AEM V2 and Spoon exhaust.
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By chrono404
- Sun Apr 13, 2008 7:42 pm #50385 Skunk2 Intake Manifold
Clean out your Vtec solenoid screens
Exhaust Headers(if you dont already have it)
Forged Rods(such as Eagles or something)
ECU(chipped, hondata, spoon, etc)

It would be a good idea to get Low Compression pistons and put them in now since you will be turning later this year. If you do the mods above it should be very daily drivable and still rip hard. Also Boost Ready.

I am sure other users will tip on what Cam or what not to get.
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By KRYSTED9354
- Sun Apr 13, 2008 7:48 pm #50388 ll mine is AZ6 and 160 HP im going to do a build post on it soon, preety much 3 angle valve job all port n polished, skunk valves and guides and retanors +adjust cam,0.01 oversized piston u can use stock just hone the cylinder walls.eagle rods and pistons, anc bearings,block guard,skunk thermostant and 2.5 radistor, { OVERSIZED } and few others,fuyll exhaust sytem and custom itake, that will be 160HP
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By CivicTypeR
- Mon Apr 14, 2008 8:32 am #50456 Thanks guys, so is Skunk2 the best stuff for performance when it comes to the D16z6?

Going to get:
Skunk2 Manifold
Skunk2 Throttle Body
Skunk2 Cam Gear
Decent Exhaust Header (any ideas for a decent make??? DC???)
Eagle Rods
CP Pistons???
Spoon ECU

Then later down the line;
Cams (skunk2???)
Valves (Skunk2???)

I really want to push my engine without a turbo this year. But get really close to the 200 mark. (or on it ;))
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By crazicaveman
- Mon Apr 14, 2008 10:21 am #50473 Crower stage 2 or 3 ftw
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By suspendedHatch
- Mon Apr 14, 2008 8:47 pm #50586 No, Skunk2 is not the best. Whenever they release a new part, it fails for a lot of people. Then they re-design it.

Crower has also had cams break and their customer service is not always the best.

Endyn carries some good stuff and they have the brains to know how to put it together.


Your post makes no sense. How do I make my car faster w/out turbo-ing it... BTW I'm turbo-ing it.

An N/A build is not compatible with turbo.

For N/A, get some high compression pistons, an aftermarket cam, a header, a CAI, a 2.25 ID exhaust, a standalone ECU, and then get it tuned. You could also get the crank balanced and get some aftermarket valve train components to allow you to rev high.

Then to go turbo remove the pistons, get a different cam that's made for boost, get rid of the header, get a 2.5 inch exhaust, get rid of the CAI, and then re-tune the standalone ECU. You will not need to be revving high to make power.

Have fun!
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By CivicTypeR
- Mon Apr 14, 2008 10:45 pm #50631 How does it not make sence? I ment that I want performance now from my engine, but later this year I will be getting a turbo.

Thanks for the info. Does it really make an effect on a smaller sizes pipe for exhaust when turboing?
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By suspendedHatch
- Tue Apr 15, 2008 5:05 am #50715 It's not going to be the end of the world, but if you want your turbo to spool faster and reach it's full potential boost, then you want to get the exhaust away from it ASAP. For the kinds of turbos we use on our engines, you want 2.5 inches ID with mandrel bends. You could go with 3 inches (crush bent even), but to me it's wasted weight and also it's hard to fit. Beyond 2.5 inches there really is no benefit.

On an N/A car, too big of an exhaust will cost you power.

Pretty much anything you do to prep the engine for turbo is going to cost you power in the meantime. Lower the compression, get a turbo exhaust...
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By BAXTER_EJ1
- Tue Apr 15, 2008 5:13 am #50719 I think also what suspended means is that buying and investing in N/A upgrades right now are going to be wasted when you turbo.

You buy an exhaust header now, you can't use it when you turbo.

You buy high-compression pistons now, you need low-compression when you turob.

You buy a cam now, you need a cam that can handle boost later.

You buy a CAI now, you can't use it when you turbo.

Etc, etc. I say just save up for your turbo, get the necessary parts you need now and make sure you have everything ready and then put your heart and soul (and wallet) into it when you do go that route.
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By CivicTypeR
- Tue Apr 15, 2008 6:05 pm #50851 Sorry, maybe I didn't explain myself. I want the most out of my engine at the moment but I won't be turbo-ing until later in the year :thumb:

Sorry for confusion.
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By KIL390GP
- Tue Apr 15, 2008 8:14 pm #50885 One thing iv got to say, ITB's. They'll give u 15kw's(20hp)+ on their own. Thats more than any CAI and mod throttle body'll give u and ur response'll be way better and u'll take better advantage of the other mods. Add a EMS, zorst, branches, cams and flow work and u'll have ur 200hp at 7200rpm(thats 195Nm/143lb.ft at these revs). Oh and they can be used on the turbo setup.
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By LowTEC-Derbo
- Tue Apr 15, 2008 8:23 pm #50889 like everyone says, NA stuff to get you to 200whp will NOT be stuff you can use when you do go turbo.


Header, High Comp Pistons, Cam, will not be able to use on the turbo and gain good results. These will parts will need to be ditch and they are the most expensive parts of an NA build. but if you must..
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By KIL390GP
- Wed Apr 16, 2008 7:28 am #51020 Sorry im carrying on my post, my fone has a limited text amount but im at a computer now.

The ITB's have presice fueling for each cylinder so u get better response without some cylinders running lean or rich with the other cylinders running the opposite to that which makes it more reliable especialy under boost.

What kind of boost u looking at and octane cause u could just get forged internals for ur current comp setup.
The SC kit for the S2000 in SA is boosting only 7psi and gets 300whp/8000 without the enjin being opened, at 11:1 CR, stock exhaust, and out cr@p fuel. With a pully/boost upgrade, exhaust, cam, and forged internals it'll get about 410whp. So a NA setup can reliably make power under boost.
There was this one guy with a turbo S2000 that made 600hp but that had low comp setup and high boost with 102.6 fuel.
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By LowTEC-Derbo
- Wed Apr 16, 2008 7:59 am #51021 im well aware of what ITB setups can make with boost. but that doesnt mean a NA Cam will benefit a turbo car in the future. high comp pistons can use but not with pump gas anymore.. The octane required for those high compressions will be very high.


I have yet to see sohc civics run ITB with boost. I've been looking around seeing what kind of engine management can run such things with boost. Perhaps I'm not looking hard enough. 8)
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