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10-13-2018, 10:05 AM
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#1 |
      
Drives: 2018 Audi TT RS Join Date: Jan 2014
Location: Navarre, Florida
Posts: 1,915
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ITB's
I've always been interested in ITB setups. Within the context of the Gen V LT1, why have there been no entries into that field? For the most part, fuel rails and injector ports are not needed to design this intake as it would normally, since this is a direct injection motor. I know that many places prefer to swap to Speed Density instead of Mass Air Flow but, I still think it's a viable option.
I would think it's possible to have an ITB setup, where each port has its own small filter, in a shared plenum for each bank, feeding into an inlet that is essentially the size of the stock MAF tube. The hardest part always seems to be the throttle linkage and tuning. Again, with all of the room you'd save from fuel rails and injectors, I would think that the throttle linkage wouldn't be as much of an issue. Also, I see no inherent reason why composite components couldn't be used instead of cast or carbon fiber. Stuff like that would just drive up costs, in my opinion. Pic for reference on an LS, in order of concept I was speaking of.
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2018 Audi TT ▊RS
2.4X 0-60, 1.6X 60', 120+mph 1/8th, 4.XX 60-130, 150+mph traps on 255/35/18 R888R tires on the street (unprepped). 2019 Audi RS3 About as fast as the TT RS 2019 Camaro ZL1 1LE Sold 2018 Camaro SS 1LE Sold 2019 Corvette Z06 Sold 2021 Charger Hellcat Redeye Widebody Sold Last edited by USAFS197; 10-13-2018 at 10:21 AM. |
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10-13-2018, 11:57 AM
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#2 |
 Drives: My Dad's car is a '16 1SS 6MT Join Date: Jul 2016
Location: Menifee CA
Posts: 76
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That'd be pretty awesome.
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10-13-2018, 12:22 PM
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#3 |
 
Drives: 2019 ZL-1 Join Date: Feb 2009
Location: Troy, MI & Naples, FL
Posts: 2,019
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Someone will come up with a setup for the LT-1. I suggest you to SEMA if you can, they will be displayed there if available.
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2019 ZL-1 Acquired 4/23/21 at 6300 miles. Riverside Blue, A10, PDR. Traded in 2017 2SS with 6M and 32k miles. Continental Extreme Contact Sports. Now has 10,000 miles...
2012 Yukon XL Denali w/ 6.2 AWD |
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10-13-2018, 12:58 PM
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#4 |
 
Drives: 2018 ZL1 1LE - HBM, PDR Join Date: Jun 2017
Location: Rescue, CA
Posts: 324
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Great thread. ITBs have always piqued my interest. Hopefully it gets some traction. I recently converted a Coyote motor over to ITBs. I sourced the ITB setup from a company over in Australia. What is cool about this setup is it used the OEM stock throttle body of the Coyote motor modified and machined to serve as a servo motor to control the ITB linkage. I didn't want to use mechanical linkage since the drive-by-wire tunability is so flexible. You can tune in a more progressive throttle profile which is beneficial for ITB setups.
I think BMW E46s did this by using drive-by-wire.    
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JRE Tuned (HPTuners) | 15% OD (9.17" crank pulley) | TVS2300 Maggie Heartbeat Supercharger - 14 psi | E-50 (DSX Flex Fuel kit) | JMS FuelMax Fuel Pump Booster | LPE Big Bore High Volume DI fuel pump | LPE High Flow DI fuel injectors | LT5 95mm TB | RotoFab CAI | AEM X-Series OBD2 wide band gauge | Elite Engineering E2-X catch can | Borla S-type NPP Cat-Back 3" exhaust | Forgeline GTD1 5-lug Satin Graphite | SunTek wrap | C-Quartz Finest Reserve ceramic coated
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10-13-2018, 06:12 PM
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#5 |
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Drives: 2018 Audi TT RS Join Date: Jan 2014
Location: Navarre, Florida
Posts: 1,915
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Was the ITB from Jenvey?
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2018 Audi TT ▊RS
2.4X 0-60, 1.6X 60', 120+mph 1/8th, 4.XX 60-130, 150+mph traps on 255/35/18 R888R tires on the street (unprepped). 2019 Audi RS3 About as fast as the TT RS 2019 Camaro ZL1 1LE Sold 2018 Camaro SS 1LE Sold 2019 Corvette Z06 Sold 2021 Charger Hellcat Redeye Widebody Sold |
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10-13-2018, 06:51 PM
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#6 |
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Drives: 2018 ZL1 1LE - HBM, PDR Join Date: Jun 2017
Location: Rescue, CA
Posts: 324
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From Innov8 Race Engines in Stayplton, Queensland, Australia.
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JRE Tuned (HPTuners) | 15% OD (9.17" crank pulley) | TVS2300 Maggie Heartbeat Supercharger - 14 psi | E-50 (DSX Flex Fuel kit) | JMS FuelMax Fuel Pump Booster | LPE Big Bore High Volume DI fuel pump | LPE High Flow DI fuel injectors | LT5 95mm TB | RotoFab CAI | AEM X-Series OBD2 wide band gauge | Elite Engineering E2-X catch can | Borla S-type NPP Cat-Back 3" exhaust | Forgeline GTD1 5-lug Satin Graphite | SunTek wrap | C-Quartz Finest Reserve ceramic coated
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10-14-2018, 04:29 AM
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#7 |
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Drives: 2018 Audi TT RS Join Date: Jan 2014
Location: Navarre, Florida
Posts: 1,915
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Nice. That's a pretty trick throttle setup. Again, with entries such as this, I hope that someone develops one for this platform.
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2018 Audi TT ▊RS
2.4X 0-60, 1.6X 60', 120+mph 1/8th, 4.XX 60-130, 150+mph traps on 255/35/18 R888R tires on the street (unprepped). 2019 Audi RS3 About as fast as the TT RS 2019 Camaro ZL1 1LE Sold 2018 Camaro SS 1LE Sold 2019 Corvette Z06 Sold 2021 Charger Hellcat Redeye Widebody Sold |
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