itb's airbox with turbo?
01-26-2005, 08:14 PM
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itb's airbox with turbo?
i saw some itbs that come with an air box and the thought arose, 4 43mm throttle bodies eating up 10lbs of boost could be quite effective, just curious if anyone has experience with itbs and and a tubo set up or dyno charts?
01-26-2005, 08:22 PM
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Re: itb's airbox with turbo? (Tapen00n)
https://honda-tech.com/zerothread?id=1027496
Or if the pictures don't work:
http://www.geocities.com/leung....html
Or if the pictures don't work:
http://www.geocities.com/leung....html
01-27-2005, 04:35 PM
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Re: itb's airbox with turbo? (entr0py)
vid didnt work, bascially i read the whole quarrel with the vw guys and it makes me mad, but thats besides the point i didnt get to see how they perform etc.
01-27-2005, 05:38 PM
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BMW use to use that syle set up, "itbs with a carbon fiber airbox-turbocharged" but weirdley enought they started this in like 1980 on a model called the "2002" which was a sports car back then, so it can be done and is obviosly effective, probably just a little work has to be done thats all
01-27-2005, 06:22 PM
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..but at the end of the day, on either an intake manifold or an 'ITB setup+plenum' 10psi is 10psi. The engine cares not since it is PRESSURIZED. The same ammount of air goes in. So theres no benefit. An no-one has ever shown any benefit.
01-27-2005, 10:07 PM
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Re: (forgotmypassword!(OTT))
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by forgotmypassword!(OTT) »</TD></TR><TR><TD CLASS="quote">..but at the end of the day, on either an intake manifold or an 'ITB setup+plenum' 10psi is 10psi. The engine cares not since it is PRESSURIZED. The same ammount of air goes in. So theres no benefit. An no-one has ever shown any benefit.</TD></TR></TABLE>
no benefit? really? why dont you ask tony himself. how many single tb maifolds do you see get almost instant throttle response as well as itbs do? think how well that would help spool up the turbo. it would help speed up spool making less lag. and better airflow than the single tbs.
no benefit? really? why dont you ask tony himself. how many single tb maifolds do you see get almost instant throttle response as well as itbs do? think how well that would help spool up the turbo. it would help speed up spool making less lag. and better airflow than the single tbs.
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01-28-2005, 06:31 AM
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Re: (gldndrgn14)
..it helps for the time it takes to pressureize a plenum on an intake manifold. Which is not that long at all when the turbo reaches its efficiency range.
An A/W intercooler setup with short piping from turbo to heat exchanger to IM would increase throttle response more than changint to one of those ITB+Plenum setups.
An A/W intercooler setup with short piping from turbo to heat exchanger to IM would increase throttle response more than changint to one of those ITB+Plenum setups.
01-28-2005, 08:23 AM
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original poster, i am working on this setup for a d16 that is already boosted. i have lots of experience with ITB's also, as i had ITB's i fabricated on my car before i had my boosted d16 in it.
PM me if you want any local help. i'm in south holland, illinois.
PM me if you want any local help. i'm in south holland, illinois.
01-28-2005, 08:30 AM
#11
Re: (forgotmypassword!(OTT))
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by forgotmypassword!(OTT) »</TD></TR><TR><TD CLASS="quote">..but at the end of the day, on either an intake manifold or an 'ITB setup+plenum' 10psi is 10psi. The engine cares not since it is PRESSURIZED. The same ammount of air goes in. So theres no benefit. An no-one has ever shown any benefit.</TD></TR></TABLE>
I agree with this once the system is pressurized, but the transient response could probably be improved. Sure, the method you mentioned above may help, but this may help also. Most people worry about throttle response and spool time...sometimes as much as how much boost. This may just be one more step in the right direction on the quest for a non-existence of lag.
I agree with this once the system is pressurized, but the transient response could probably be improved. Sure, the method you mentioned above may help, but this may help also. Most people worry about throttle response and spool time...sometimes as much as how much boost. This may just be one more step in the right direction on the quest for a non-existence of lag.
01-28-2005, 08:36 AM
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Re: (DaX)
Nissan did it on a bunch of their factory motors.
Millions of dollars + engineers > speculation by a couple of dudes on honda-tech
I have a feeling that if they did it on factory motors it benefitted atleast somewhat.
Millions of dollars + engineers > speculation by a couple of dudes on honda-tech
I have a feeling that if they did it on factory motors it benefitted atleast somewhat.
01-28-2005, 09:24 AM
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Re: (Napoleon Dynamite)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Napoleon Dynamite »</TD></TR><TR><TD CLASS="quote">Nissan did it on a bunch of their factory motors.
Millions of dollars + engineers > speculation by a couple of dudes on honda-tech
I have a feeling that if they did it on factory motors it benefitted atleast somewhat.</TD></TR></TABLE>
ownd
Millions of dollars + engineers > speculation by a couple of dudes on honda-tech
I have a feeling that if they did it on factory motors it benefitted atleast somewhat.</TD></TR></TABLE>
ownd
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