2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Can a second gen N/A have ITB's?

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Old Jul 9, 2008 | 01:01 PM
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Can a second gen N/A have ITB's?

I wouldnt mind putting ITB's on a second N/A .
I would like to know if there is a company that makes em and sells them?

or anything else that I would need.

thanx
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Old Jul 9, 2008 | 01:07 PM
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I know these guys specialize in ITB's for Miata's but im sure they can help you out,
contact Jimmy at Fuji Racing.
fuji-racing.com
(352)217-5554
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Old Jul 9, 2008 | 01:09 PM
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^ thanx....

does anyone here have any experience with ITB's?
what kind of power did u make or how did it react?
Bc I am thinking of using this 2nd gen for drifting, not sure yet though...

thanx once again
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Old Jul 9, 2008 | 01:17 PM
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Tweatit makes a kit just for 13b's.



http://www.tweakit.net/shop/product_...roducts_id=117
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Old Jul 9, 2008 | 01:22 PM
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man they look sick.

but dayum you need a stand alone ecu system for that...****, I wonder if Rtek could handle that...



will all ITB's applications need a Stand alone?

Last edited by hatemy7; Jul 9, 2008 at 01:30 PM.
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Old Jul 9, 2008 | 01:44 PM
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Yes, they will all require a standalone because of the AFM. The RTEK has the same restriction.
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Old Jul 9, 2008 | 01:45 PM
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so rtek will work?
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Old Jul 9, 2008 | 01:52 PM
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No, it won't, and for as much money as you are gonna spend on this you may as well buy a TII and make more power.
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Old Jul 9, 2008 | 04:00 PM
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true
but I just think that It would be different, and i like that.
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Old Jul 9, 2008 | 04:03 PM
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I think the only reason to do that would be because a race class restricts you from using a supercharger or turbo.
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Old Jul 9, 2008 | 04:08 PM
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You could build an airbox around the horns and put the AFM at the opening, along with a filter so you don't ruin your motor.

That looks like a pretty trick piece, but the fuel rails don't use AN fittings?

Also, it looks like you also need a different intake manifold to fit that thing to the motor.
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Old Jul 9, 2008 | 04:08 PM
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but here is my question, my motor has a large street port and ported exhaust and 6ports are opened and egr is closed...

how muhc power would I make with ITB's..and I do plan on running it autocross...


has anyone before tried ITB's on rx7? what exactly do i need...

I do aplogise for all the questions , and sorry if they seem stupid, its just something that I want to do..
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Old Jul 9, 2008 | 06:21 PM
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So, you're saying he should rig a stock AFM up to those? So he can use the stock ECU? Then how does he tune it?

I think you'd be better off spending your money on suspension and tire upgrades for autocross. Big power doesn't do a whole lot unless it's a large course. Hence minis and c5's running comparable times on small courses.

I would fix your aux ports too.
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Old Jul 9, 2008 | 07:17 PM
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you're not going to make much more power than a typical n/a bseries honda im afraid.

having a fast n/a = lots of money

itb's are really better suited for a peripheral-port motor.

ITB's are really a race-only part because tuning for ITBs requires patience and time.
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Old Jul 9, 2008 | 07:30 PM
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Originally Posted by alexdimen

I think you'd be better off spending your money on suspension and tire upgrades for autocross. Big power doesn't do a whole lot unless it's a large course. Hence minis and c5's running comparable times on small courses.
And the ITBs probably put you in a prepared class, so you will get raped unless you are putting the engine into a MG or something. Save your money, buy some good rubber and Konis.
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Old Jul 9, 2008 | 07:45 PM
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^ good point as well

All this talk about getting schooled at autocross makes me want to take the car out again. LOL. I haven't had the FC on a course this whole season...
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Old Jul 9, 2008 | 08:47 PM
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Originally Posted by alexdimen
So, you're saying he should rig a stock AFM up to those? So he can use the stock ECU? Then how does he tune it?

I think you'd be better off spending your money on suspension and tire upgrades for autocross. Big power doesn't do a whole lot unless it's a large course. Hence minis and c5's running comparable times on small courses.

I would fix your aux ports too.
I didn't say it was a good idea, just that he could do it. :p
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Old Jul 9, 2008 | 09:56 PM
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There is a guy on here with ITB's (Pengafoo, or something like that.) I can't think of anyone else who has them on a street car. Basically, you get more power, but its way up in the powerband. Honestly, for the price you will end up paying you could do a full turbo swap, or just buy a running TII. I've tossed around the idea of doing it myself, but I just don't have the money.
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Old Jul 9, 2008 | 11:04 PM
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theres a whole section on guys with ITB's from fuji, tweak-it, and guys that have used them from the suzuki hayabusa even, just search for it

and if you dont want to go turbo, and you have enough money for the ITB setup and a standalone, my position is do it... you already have a port so the only other big thing you can do to your car without a turbo is ITB. it'll add power and itll be the next best thing on an NA, just make sure that it gets tuned correctly or you could definitely run into problems

good luck man
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Old Jul 10, 2008 | 12:10 AM
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Thought about doing that to my n/a, once I pull the motor for a rebuild. If its what you want to do and you can afford it, go with it. I bet the car would be a blast and sound amazing.
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Old Jul 10, 2008 | 08:09 AM
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Yeah I still want to do it since, it would just be a kewl and different thign to do...
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Old Jul 10, 2008 | 12:09 PM
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You can lead a horse to water...
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Old Jul 10, 2008 | 12:25 PM
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The short answer is yes... most of the information you've gotten here seems pretty good.
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