| Scion xB Engine, Tech, & Performance Discuss Scion xB engine, tech, & performance related topics here. Scion xB performance upgrades like Scion xB exhaust, Scion xB turbos and supercharges. Anything to make your Scion xB go fast!!! |  |
10-12-2009, 10:40 AM
|
#1 | | Registered User
Join Date: Sep 2008
Posts: 40
| Here's a wild idea... Anyone here ever tooled around with itb's on their 03 to 07 xb's... |
| |
10-12-2009, 10:45 AM
|
#2 | | Undercover Moderator
Join Date: Dec 2005 Location: In Da Garage!
Posts: 10,982
| Re: Here's a wild idea... Quote:
Originally Posted by mbillones Anyone here ever tooled around with itb's on their 03 to 07 xb's... | Not as wild as you think... Gauging Interest: 1nzfe w/ ITB
BTW, the wasn't an '03 or '07 xB ('04 through '06.5).
Last edited by DTRAIN619 : 10-12-2009 at 10:54 AM.
|
| |
10-12-2009, 04:31 PM
|
#3 | | Registered User
Join Date: May 2006 Location: socal
Posts: 284
| Re: Here's a wild idea... yah coi from motorfx had them on his xa they never ran right ... |
| |
10-12-2009, 05:43 PM
|
#4 | |
Join Date: Jan 2007 Location: Kentucky
Posts: 2,615
| Re: Here's a wild idea... I wanna see this done successfully so bad.
And just throwing this out there, as I'd like to fully understand this.
Why could one not run ITB's with a plenum on a stock setup? All the air going into the plenum would already be metered and I was under the impression that this was one of the main issues with swapping to ITB's. A lot of high end performance ITB setups run plenums anyway (lemans cars, rb's, etc come to mind).
Last edited by crxgames : 10-12-2009 at 05:43 PM.
Reason: Automerged Doublepost
|
| |
10-12-2009, 05:46 PM
|
#5 | | 06.5 TCM
Join Date: Jun 2006 Location: SoCal
Posts: 5,672
| Re: Here's a wild idea... Not for street car. ITB's may add few extra HP's at 5K RPM+, but low end torque will be lost. |
| |
10-12-2009, 05:49 PM
|
#6 | |
Join Date: Jan 2007 Location: Kentucky
Posts: 2,615
| Re: Here's a wild idea... Quote:
Originally Posted by PCH Not for street car. ITB's may add few extra HP's at 5K RPM+, but low end torque will be lost. | Isn't a lot of the loss/gains due to velocity stack length? I thought that's why you see a lot of the 4ag guys running all kinds of different size velocity stacks. |
| |
10-12-2009, 06:02 PM
|
#7 | | 06.5 TCM
Join Date: Jun 2006 Location: SoCal
Posts: 5,672
| Re: Here's a wild idea... First version of Weapon-R intake manifold for 1NZ had very short runners and it was scrapped. You need a long runner for the air to build up some momentum before getting to the intake valves (thats if you want the engine to have a broad power band). If you are planning to race it close to red line most of the time, then- yes, go with ITB's. |
| |
10-12-2009, 06:35 PM
|
#8 | | Undercover Moderator
Join Date: Dec 2005 Location: In Da Garage!
Posts: 10,982
| Man, it took a lot of searching, but... I finally found some pics of Coi's xA with the ITB set-up!
Not sure if anyone else has any... |
| |
10-12-2009, 07:17 PM
|
#9 | | 406 Customs
Join Date: Aug 2009 Location: billings MT
Posts: 51
| Re: Here's a wild idea... i went to the S.E.M.A. show in vegas last year and there was a couple 2nd gen xbs with itb's. one was a hot rod theme and had the throttle bodies coming throught the hood scoop. super sic.
Last edited by DTRAIN619 : 10-12-2009 at 07:40 PM.
Reason: We know you don't have enough posts to place a picture here...
|
| |
10-13-2009, 12:34 AM
|
#10 | | Registered User
Join Date: Jun 2007 Location: Sacramento, CA
Posts: 106
| Re: Here's a wild idea... Sigh....wishing I hadn't just bought the Gude T/B LOL |
| |
10-13-2009, 03:12 AM
|
#11 | | HELA FASS DOOO
Join Date: May 2006 Location: Hollywood CA
Posts: 13,469
| Re: Here's a wild idea... them ITBs look sic though. anyone succesfully runnin em? |
| |  |
Posting Rules
| You may not post new threads You may not post replies You may not post attachments You may not edit your posts HTML code is Off | | | | | | All times are GMT -5. The time now is 08:38 PM. |