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  1. #1
    deano1978's Avatar
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    turbo info please

    Thinking about upgrading to...bv43 turbo

    but my thinking is if its a larger turbo,does it take longer to spool up compared to my nippy little stock turbo?

    Will mpg be affected,when driving in normal conditions?

    What about larger injector nozzles,i heard this can Improve mpg?
    But at £600!

    Im happy with motor. Just thinking about this route.

    Cheers.
    Deano
    A4 avant b6.1.9 avf 6 speed. Bv43 turbo.uprated fmic. More bhp custom map. Powerflow straight through twin pipes. Allard delete kit. Boost,egt, + voltage gauges. Ball,spring boost controller. Fk silversport coilovers. 312mm brake upgrade. B7 multifunc steering wheel. Full dis. Cruise control. Auto locks. Rs4 rear bumper. Full rs4 grills. Drls + hids. 10inch custom sub + amp. Rear parking sensors. Leds everywhere. Parrotkit full speaker streaming. silver 4d carbon interior.never ending...

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  3. #2
    ASHIHARA's Avatar
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    I have this turbo for the last 2years on my car;the turbo doesn`t spool later than stock turbo,coz to the end is a small turbo as well,but depend how good is the remap.
    In my case i have full boost at 2200rpm(1,7bar) to protect the clutch.

    You don`t need bigger nozzle to suit this turbo,the stock one`s are k.

    B6 1,9TDI AVF SPORT QUATTRO AVANT

    Mods:RNS-e sat nav,Bluetooth,Rear camera,Full led interior/exterior,Cobra PCD,S4 B5 front brakes,S line body kit+S4 door blades,S line gear knob,RS4 B7 handbrake,RS6 wheels,EGR deleted,cruise control,custom leather & alcantara seats,tinted windows,A4 B7 arms & wiper blades,BV43 turbo,FMIC,custom remap(around 200hp and 368lb/ft tourque)

  4. #3
    pistonripper's Avatar
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    Quote Originally Posted by ASHIHARA View Post
    I have this turbo for the last 2years on my car;the turbo doesn`t spool later than stock turbo,coz to the end is a small turbo as well,but depend how good is the remap.
    In my case i have full boost at 2200rpm(1,7bar) to protect the clutch.

    You don`t need bigger nozzle to suit this turbo,the stock one`s are k.
    Could you tell how you converted the PD170 turbo electronic actuator to a full vacuum system as on the original turbo ?

    thanks
    2005 Dolphin Grey A4 2.0TDi S-Line Avant.
    19 INCH RS4 Alloys RNS-E Bluetooth Colour DIS Cool box in Glove Box B8 S Line MFSW APS Xenons Auto-dim RV Mirror & Side Mirrors Rain Sensor Coming Home & DRLs Rear APS
    BLB Engine|Tensioner Failure|Full Service History...so what

  5. #4
    DieselJake's Avatar
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    Stock injectors should be fine and mpg difference if anything won't be noticable, only reason for bigger injectors are if there's a couple of other goodies in the mix. Overall mpg should be the same... I think?

    Totally unrelated but Darkside seems the place to go (or the place I'm going anyway because my stock turbo's ruined which gives me a good excuse to upgrade haha)

    Sorry to hijack, but does anyone know if a fmic is necessary?

  6. #5
    6th Gear

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    Quote Originally Posted by pistonripper View Post
    Could you tell how you converted the PD170 turbo electronic actuator to a full vacuum system as on the original turbo ?

    thanks
    Bv43 has a vacuum actuator, there's a position sensor on top but you're not using that....
    FOR SALE:
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    -audi a3 (1998 to 2003) genuine clutch slave cylinder to fit 1.6 engines BRAND NEW
    -Rear bush press tool to fit new rear axle bushes on Golf Mk3/4, Audi a3/S3, Seat Leon/Toledo, Skoda Octavia mk 1/2 used once

  7. #6
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    Quote Originally Posted by DieselJake View Post
    Stock injectors should be fine and mpg difference if anything won't be noticable, only reason for bigger injectors are if there's a couple of other goodies in the mix. Overall mpg should be the same... I think?

    Totally unrelated but Darkside seems the place to go (or the place I'm going anyway because my stock turbo's ruined which gives me a good excuse to upgrade haha)

    Sorry to hijack, but does anyone know if a fmic is necessary?
    Stock intercooler is fine, however a FMIC is much better as it won't get heat soaked as the side intercooler can get after a hard drive...
    FOR SALE:
    -Golf mk 5/audi a3 1.6 FSI fuel pump, brand new genuine part boxed + seals
    -audi a3 (1998 to 2003) genuine clutch slave cylinder to fit 1.6 engines BRAND NEW
    -Rear bush press tool to fit new rear axle bushes on Golf Mk3/4, Audi a3/S3, Seat Leon/Toledo, Skoda Octavia mk 1/2 used once

 

 

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