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Old 01-05-2004   #1 (permalink)

 
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Intake manifold

so here is how the intake works, you have the intake (tube) and the filter leading to the manifold, which lead the air into the cylinders. right ?


my question is, why the manifold. why cant u just hook up the 4 intake holes with 4 seperate intake tubes and filters., wont that cause more air to flow in.

Just a thought, sound stupid but trying to be creative
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Old 01-05-2004   #2 (permalink)
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they have those already but are hella expensive and I think are made by a jdm company, toda or something i've seen indpendent throttle's for an s2000 before.
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Old 01-05-2004   #3 (permalink)
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You left our one major part in your list.... the throttle body (the valve that opens and closes as
you depress the gas pedal) ...sorry if you already know .
yup its been done individual throttle bodies are way expensive.
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Old 01-05-2004   #4 (permalink)

 
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Yeah sorry i forgot the throttle. oh so it has been done before. how much better is it terms of air flow ?
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Old 01-05-2004   #5 (permalink)
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I need a Throttle body....

Why cant someone mass produce one allready!!!


Id buy one from DH-Racing but its so expensive!

Comparing the custom intake manifold to their billet TB...that price for the TB is ALOT!
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Old 01-05-2004   #6 (permalink)
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Yeah i wanted to get an new mani, and a tb, and the TB is the same damn price as most manifolds for our civics... the prices really need to drop to something reasonable so more people can afford this stuff
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Old 01-06-2004   #7 (permalink)
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the focuz intake manifolds look way better than dh-racings, at least drop the price or something my local shop charges 300 for the intake manifold, the focuz one. u guys are offering 450 just for the intake manifold. I'd buy it in a heartbeart if it was 500 shipped. your almost spending a grand for both the throttle body and intake manifold plus u have to get custom pipes, I will for sure.
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Old 01-06-2004   #8 (permalink)
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today makes them for the s2000 I heard before it was 2 grand+ or something
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Old 01-06-2004   #9 (permalink)
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Quote:
Originally posted by cdmx
I need a Throttle body....

Why cant someone mass produce one allready!!!


Id buy one from DH-Racing but its so expensive!

Comparing the custom intake manifold to their billet TB...that price for the TB is ALOT!
ya me too. They have confirmed that thier billet throttle body will not work on a 7th gen. Our throttle bodies have more sensors than in the past. They have Derek's (sites owner) throttle body and manifold and are going to bore it out. I'm looking to get mine bored out also, depending on the amount they are able to open it up.
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Old 01-06-2004   #10 (permalink)
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you pay to play... comparing a intake mani by focuz to dh is like comparing a tornado intake kit to a sf turbo kit... that is REDICULOUS... the focuz would make 5hp TOPS... not even designed for cars, just designed to fit and be chrome, this is REDICULOUS...
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Old 01-06-2004   #11 (permalink)
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Ok, so this is not what I am understanding. We have sold them at this price for all our other models, and never hear anything about it, why? Because our manifolds are done by hand and will make more power then any other out there. You pay for what you get and with ours we guarantee power. Tell me some numbers you got from the FocuZ manifold or whatever so we can compare soon. Not downtalking them, but if you guys can show me that they can match our power then we will maybe work something out.
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Old 01-06-2004   #12 (permalink)
 
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Quote:
Originally posted by DhRacingJosh
Ok, so this is not what I am understanding. We have sold them at this price for all our other models, and never hear anything about it, why? Because our manifolds are done by hand and will make more power then any other out there. You pay for what you get and with ours we guarantee power. Tell me some numbers you got from the FocuZ manifold or whatever so we can compare soon. Not downtalking them, but if you guys can show me that they can match our power then we will maybe work something out.
Do you made one to fit our civics?
With all the sensors?
If you do.
I need one, how much?
Hope is not 2k
May be you can do a group buy price for us.
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Old 01-06-2004   #13 (permalink)
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dh has one for around $750 with throttle body, but since tb wont fit our cars... im not sure.... but their race one is the one we would get... VERY VERY VERY nice flow..... WAY worth the money... ONLY intake mani that will MAKE power unlike KMS **** mongers mani...
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13.38 @ 109.13 ... 2.412 60'.. i need tires!....
SF RULES street and track
1st 7th gen with a DHRACING crank pulley> havent been to track with it on yet
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Old 01-06-2004   #14 (permalink)
 
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Thanks good feed back.
How about the cranck pulley how much $$ did that sat you back?
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Old 01-06-2004   #15 (permalink)
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Quote:
Originally posted by Elite
the focuz intake manifolds look way better than dh-racings
Yes, because when we want performance I automatically want what looks the best instead of what gets the most power. You make so much sense.
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Old 01-06-2004   #16 (permalink)
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im saying for the price your getting for what you pay for i mean 450 thats high just for intake manifold, it has both performance and looks for 300.
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Old 01-06-2004   #17 (permalink)
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and the throttle bodies dont work do they because of the extensive work on the sensors I've heard. the fact that I havn't seen any dyno sheets from neither of you, is still unbelievable but they also have a right to say something at dh-racing, just as much as you do.

Last edited by Elite; 01-06-2004 at 09:40 PM.
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Old 01-06-2004   #18 (permalink)
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well dh works, parts on my car and my friends, dave holds world records and can provide dynos at will.... as far as my pulley, its $125 plus shipping and available to keep ac/ps now as well... tell josh i sent you and he will hook it up... this pulley is amazing, 6 ounces vs. 7 lbs stock, revs like crazy....
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13.38 @ 109.13 ... 2.412 60'.. i need tires!....
SF RULES street and track
1st 7th gen with a DHRACING crank pulley> havent been to track with it on yet
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Old 01-07-2004   #19 (permalink)
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I don't care who makes a Intake manifold and what kind of #'s it produces on other models...Until I see REAL #'s from a dyno for our cars and i know that it fits right, I'll just have to wait because I'll be damned if I get burned again.
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Old 01-07-2004   #20 (permalink)
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Back to the original question...

The manifold plenum is used to tune the intake pulses. There are harmonics set up when the moving air stream is abruptly halted as the intake valve closes. The closing sets up pressure waves that travel back up the runner and get reversed at the plenum. You tune your intake length to have the intake valve open during one of these pressure pulses to "supercharge" the cylinder. Short runners are typically tuned for high rpm, long runners for lower rpm. If you eliminate your plenum, it may be hard to get the pressure pulses to work for you, pulses from the other cylinders would be interfering with each other.
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Old 02-15-2004   #21 (permalink)
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humm i'n not sure where i saw it. If it was on here or on homemade turbos but some had a civic air manifold with four TB from a suzuki motorcycle hooked up together nice thing to do gives lots of airflow!!!
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Old 02-16-2004   #22 (permalink)
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You lose 240 CFM when installing individual throttle bodies. They are nice on more mild setups, but the single TB setup is the best with a tuned manifold for a high HP setup. As for our manifold, believe or don't believe enough of you will have it on your car very soon, I understand it's just the beginning, so being skeptikal is fine with me.
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Old 05-21-2004   #23 (permalink)
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Quote:
Originally Posted by djmota
ya me too. They have confirmed that thier billet throttle body will not work on a 7th gen. Our throttle bodies have more sensors than in the past. They have Derek's (sites owner) throttle body and manifold and are going to bore it out. I'm looking to get mine bored out also, depending on the amount they are able to open it up.
hello do you know dereks full name and which state he is located ? he is the owner of which site this one ?
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Old 05-21-2004   #24 (permalink)
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yup this site, but I don't think it worked out.
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188.87 whp 187.99 tq 75 shot n20 untuned dynojet
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my old d17 set up.
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Old 05-21-2004   #25 (permalink)
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Are there any other companies making this stuff for our cars?
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