TODA ITB work with BUILT K24 - K20A.org .:. The K Series Source . Honda / Acura K20a k24a Engine Forum
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Old 05-11-2011, 03:53 AM   #1
TODAFD2
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Default TODA ITB work with BUILT K24



Thats my old setup for my K20 build,but for now ive been changed to K24,but i still want to keep the TODA ITB since they have great craftmentship and qulity,and also i had bought the Full Carbon Air Box for restrict the hot air thats quite important for a ITB setup.I know for a 50mm throttle bodies will restrict my power,i would like to ask would their any company can help me modify those TODA ITB then it can be bigger like 54mm?And i still thinking about how should setup my intake,ive bought TODA ITB open filter for more air but still want to use the Carbon Airbox,since it design to use with Mugen intake system.

So i might custom made a suction pipe to flow direct into air box from the bumper.

Or any opinion?

here is my K24 Spec:

TODA ITB
TODA Full carbon Airbox
DENSO RDX injector
Stock RSP head
DragCartel STG4 cam
Super Tech retainer/valve spring
87.5mm CP X forged 12.5 CR piston
CARRILLO rod
Balcanced and Polished K24a2 crank
TODA chain tensioner
OKADA ign coil
NGK RACING 8 sparks
Js racing oil pan
ASP custom header
Custom Titan 3inch catback

Hondata KPro



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Old 05-11-2011, 03:06 PM   #2
LHP
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Default Re: TODA ITB work with BUILT K24

The TODA manifold is quite petite/thinner wall thickness,
so modifing it would be a problem for larger throttles.
Then finding larger throttles with your bolt pattern, an other problem !

LHP

Last edited by signalpuke; 09-27-2012 at 11:03 AM..
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Old 05-12-2011, 01:27 AM   #3
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Default Re: TODA ITB work with BUILT K24

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Originally Posted by LHP View Post
The TODA manifold is quite petite/thinner wall thickness,
so modifing it would be a problem for larger throttles.
Then finding larger throttles with your bolt pattern, an other problem !

LHP
was that possible to modify the original throttle?

and one things that i dont want to change because seems TODA RACING specific design it for FD2 CTR,so i think that if i change to others ITB i will have some installing problem.

Last edited by signalpuke; 09-27-2012 at 11:04 AM..
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Old 05-12-2011, 01:30 AM   #4
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Default Re: TODA ITB work with BUILT K24





and i bought the mesh cover and the open filter also..decided to use it with the Carbon Air Box...
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Old 05-12-2011, 02:14 AM   #5
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Default Re: TODA ITB work with BUILT K24

You will not be able to fit a 54mm throttle in the Toda ITBs, dont bother you are wasting your time. I would sell the ITBs and whatever else you have bought with them and buy something thats going to work with your setup.

It is pointless having a built 2400+ CC block, Drag cartel stage 4 cams etc with those ITBs, all that money you spent will go down the drain as simply put, those 50mm throttles will choke out the motor.
Also those mesh screens and sock filters are going to impede airflow and lose more power, quite abit of power loss with those as well.

There isnt any reason why you cannot use the ITB kits made for the DC5 style heads, all you need to do is this:



Let me know if you are interested in my Hayward set....
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Old 05-12-2011, 10:41 AM   #6
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Default Re: TODA ITB work with BUILT K24

ive start to change my mind when i see this..



this was just amazing!

anyone know where can i got this and how much is it?
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Old 05-12-2011, 11:16 AM   #7
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Default Re: TODA ITB work with BUILT K24

It is a manifold for Kinsler ITBs.
http://k20a.org/forum/showthread.php?t=76939
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Old 05-12-2011, 11:21 AM   #8
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Default Re: TODA ITB work with BUILT K24

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It is a manifold for Kinsler ITBs.
http://k20a.org/forum/showthread.php?t=76939
so how big should i choose when i use kinsler ITB?
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Old 05-12-2011, 11:25 AM   #9
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Default Re: TODA ITB work with BUILT K24

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so how big should i choose when i use kinsler ITB?
Make sure you do not go too big if you are going to road race or drive this car on the street as your mid-range torque, part throttle and cruise will suffer.
What are your exact specifications and what are you intending to do with the car?
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Old 05-12-2011, 11:51 AM   #10
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Default Re: TODA ITB work with BUILT K24

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Make sure you do not go too big if you are going to road race or drive this car on the street as your mid-range torque, part throttle and cruise will suffer.
What are your exact specifications and what are you intending to do with the car?
it will do some time attack at circuit and road racing at street
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Old 05-12-2011, 12:06 PM   #11
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Default Re: TODA ITB work with BUILT K24

a set of 60mm kinslers would work nicely with your setup
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Old 05-12-2011, 12:18 PM   #12
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Default Re: TODA ITB work with BUILT K24

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a set of 60mm kinslers would work nicely with your setup
will that suffer if i cruising and part throttle?
since i do not let it doing any drag race..
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Old 05-12-2011, 12:23 PM   #13
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Default Re: TODA ITB work with BUILT K24

i didn't road race my car with it but i did drive it around on local streets... response is great, i didn't get that much of on/off switch. scott @ kfi recommended these to me since the car was going to see some street use.
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Old 05-12-2011, 12:26 PM   #14
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Default Re: TODA ITB work with BUILT K24

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Originally Posted by TODAFD2 View Post
so how big should i choose when i use kinsler ITB?
63mm kinslers...... we were the 1st to do kinslers k20 testing back 2007 and still doing testing on them


ANY ITB setup is going to make you suffer in street driving if you're using engine management that relies on a MAP signal (like Hondata's K-Pro). There's so much throttle plate area that as soon as you crack the plates open the slightest bit the MAP signal simply disappears, so the mapping has to be done using only throttle position, and that's simply not enough data for the ECU to properly manage the engine's needs. So how does BMW get away with using ITB's? They use a mass airflow sensor, which uses an ECU of completely different architecture.


ryan @ church auto
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Old 05-12-2011, 12:48 PM   #15
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Default Re: TODA ITB work with BUILT K24

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63mm kinslers...... we were the 1st to do kinslers k20 testing back 2007 and still doing testing on them


ryan @ church auto
OP has failed to mention he plans to set his redline at 8200. I highly doubt 63mm or even 60mm are going to work well for his setup on that compression and stock head
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Old 05-12-2011, 12:58 PM   #16
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Default Re: TODA ITB work with BUILT K24

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Originally Posted by ecko01 View Post
63mm kinslers...... we were the 1st to do kinslers k20 testing back 2007 and still doing testing on them


ANY ITB setup is going to make you suffer in street driving if you're using engine management that relies on a MAP signal (like Hondata's K-Pro). There's so much throttle plate area that as soon as you crack the plates open the slightest bit the MAP signal simply disappears, so the mapping has to be done using only throttle position, and that's simply not enough data for the ECU to properly manage the engine's needs. So how does BMW get away with using ITB's? They use a mass airflow sensor, which uses an ECU of completely different architecture.


ryan @ church auto
Have you tuned K-series motors w/ITBs enclosed in a plenum?
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Old 05-12-2011, 01:01 PM   #17
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Default Re: TODA ITB work with BUILT K24

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Originally Posted by K20EF8 View Post
OP has failed to mention he plans to set his redline at 8200. I highly doubt 63mm or even 60mm are going to work well for his setup on that compression and stock head

i know the 63mm will work better.... we have done lots intake manifold testing


here a motor we built and tune last year one rbc manifold ... same setup as his....

http://www.k20a.org/forum/showthread.php?t=76065


ryan @ church
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Old 05-12-2011, 01:14 PM   #18
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Default Re: TODA ITB work with BUILT K24

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Have you tuned K-series motors w/ITBs enclosed in a plenum?
What you're describing isn't a plenum, its an airbox. By definition, a plenum is a chamber BETWEEN the throttle body and the intake runners.
Yes, we have tested a conventionally shaped airbox (very similar to the one Kinsler sells, only bigger), and it killed horses all over the place. It was actually worse than a plenum with the throttle body mounted on one end, which we've also tested on a manifold that being developed that works substantially better than any ITB setup, and generates a normal MAP signal to make the ECU (and the driver) happy.
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Old 05-12-2011, 01:51 PM   #19
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Default Re: TODA ITB work with BUILT K24

http://www.youtube.com/watch?v=ZWTgQBz08Ro&featurelayer_embedded

actually i am shooting for something like this.

its same with my setup TODA ITB with K24 engine.

and also i ve got the same car and same suspension setup.

i just hope getting some bigger power than the FEELS FD2 since i weight more.(i will not strap my car like this)
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Old 05-12-2011, 07:02 PM   #20
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Default Re: TODA ITB work with BUILT K24

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Originally Posted by ecko01 View Post
i know the 63mm will work better.... we have done lots intake manifold testing


here a motor we built and tune last year one rbc manifold ... same setup as his....

http://www.k20a.org/forum/showthread.php?t=76065


ryan @ church
I dont see any mention of Kinsler ITBs in that thread.
So you recommend 63mm ITBs on a 87x99 motor with pump gas compression, stock head and 8200 rpm rev limit. The motors ive seen on this site that run throttles that size are 89x99, 15:1 compression, no exhaust etc, powerband from 7000-10000 rpm
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