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| The Pub For General Automotive Related Talk |
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07-04-2019, 02:38 PM
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FF.Com.Au Hardcore
Join Date: Mar 2005
Posts: 5,300
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O.k now i'm a Diesel mechanic by trade so i know exactly how simply any turbo works on a truck engine.
But, My question is about the Good old Barra I6T engine. How exactly is the boost 'adjusted' on say a stock engine from say 2-3 psi up to 10, 15, 20psi and so on to pump out all the power you guys have been getting out of them? Is it just more fuel which equals bigger explosion/burn???  I also realise bigger and different designed turbo's also help with the power gains. |
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07-04-2019, 04:55 PM
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FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Pit Lane
Posts: 11,867
 
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The ecu sends a signal to the wastegate solenoid to bleed off reference boost to the actuator
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Pit Lane Performance 20 Rosella St Frankston 03 9783 8122 Authorised Streetfighter, Pcmtec , SCT & HP Tuners Tuning Agent,
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07-04-2019, 07:33 PM
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FF.Com.Au Hardcore
Join Date: Apr 2008
Posts: 5,493
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Hi. And if you try to cheat by using a bleed valve to get more boost the ECU sees that as a fault and cracks the sads. To do it the right way involves more fuel (bigger fuel pump and injectors and adjustable pressure reg) More cold air Turn up the boost (by telling the ECU what you want and fitting a bigger intercooler) and Modding the wastegate flap and exhaust to get rid of backpressure and still be able to control your boost. Cheers MD
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 HI  I'M MICHAEL  2003 ACID RUSH BA FUTURA WAGON  light up window switches | auto on cruise control | doubleclick window lift from remote |
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08-04-2019, 02:50 AM
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FF.Com.Au Hardcore
Join Date: Mar 2005
Posts: 5,300
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Awesome stuff guys that all makes perfect sense now.
Now I know what they'll be doing when i get my new BAXR6T project car tuned soon that i got cheap this morning... (needs a full $4K respray but is otherwise in perfect low kay condition!!!).  
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09-04-2019, 08:26 PM
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FF.Com.Au Hardcore
Join Date: Mar 2005
Posts: 5,300
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Project BAXR6T..........Mint Condition........................Coming soon.
May try for at least 300KW with basic CAI + bigger exhaust and bigger Cat mods + tuning for 95. If I like, may try for 350-400KW.  This is gunna be FUN!!!!!!!! |
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09-04-2019, 08:59 PM
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FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Pit Lane
Posts: 11,867
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You will a different list of mods
__________________
Pit Lane Performance 20 Rosella St Frankston 03 9783 8122 Authorised Streetfighter, Pcmtec , SCT & HP Tuners Tuning Agent,
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10-04-2019, 10:11 PM
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FF.Com.Au Hardcore
Join Date: Jan 2013
Location: upper lockyer qld
Posts: 517
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My Tubro territory 08 getting nearly 20 psi no adusting Boost
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11-04-2019, 09:06 PM
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FF.Com.Au Hardcore
Join Date: Mar 2005
Posts: 5,300
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Project BAXR6T is getting fully payed for and driven home this Saturday afternoon on an un registered vehicle permit.
The tyres are still great but damn I hope the brakes still work after i do a few little speed tests........... LOL!!!!!!
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Tech Question....Adjusting Turbo Boost????
Linear Mode
