IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

IS 350 Closed Air Box and Velocity Stacks

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Old 08-26-15, 01:44 PM
  #16  
NYKnick101
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Originally Posted by Cyanide52
It has been done on the 2gr fse check
http://mdrengines.co.uk/work/lexus-2gr-fse-v6-3-0l/ they are one of the few companies to modify our engines
Those are ITB's tho which if the OP is not doing that, he should be fine with a closed box and OEM tune. Correct me if i am wrong but The stock upper intake manifold is a dumb manifold with no sensors or water lines other than EGR and vacuum. It should open a few HP even on the stock ECU. Im surprised no companies have yet to make an aftermarket manifold yet
Old 08-31-15, 09:55 PM
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You are correct sir...
Old 09-06-15, 02:21 PM
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Nightofire
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Very interesting project!
Old 10-14-15, 05:01 PM
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Flick2JZ
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Anymore updates on this build?
Old 10-14-15, 10:01 PM
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VMRWheels
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Whoa
I want to hear this thing run! Probably sounds wild!
Old 10-18-15, 11:57 PM
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rayac88
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i'm interested
Old 10-20-15, 01:25 PM
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zxratd
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I'm working on a 2JZ swap into my MK3 Supra so this project is on hold for a little while..

Brian
Old 10-21-15, 01:18 PM
  #23  
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Old 04-18-16, 07:19 PM
  #24  
Flick2JZ
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Still on hold?
Old 04-19-16, 01:19 PM
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Gville350
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This has been done now, except for this project the owner just used the lower OE intake portion as the "stacks" and tied it altogether with a custom intake chamber.





Old 04-19-16, 02:03 PM
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WylieKylie
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That's interesting. I would hazard a guess that doing away with the upper manifold and only using the short runners in the lower manifold would move the power band a bit up the rev range. Not sure how that would work without an ECU program to fix and fuel/timing issues and also increase the rev limiter.

Also I would think (maybe because I don't know any better ) that if you are moving the TB to the front of the engine bay it would be easier to use the air-box, and or intake, and or TB and or all of the above from an ISF.
Old 08-25-16, 03:33 PM
  #27  
zxratd
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Nice set up! My supra is almost done and then back to my IS project.

supra
Old 08-25-16, 05:21 PM
  #28  
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Good to hear!
Old 08-26-16, 08:13 AM
  #29  
strikeraj
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subscribing thread to see the result
so happy to see development work on this engine
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