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  1. 08-08-2023 10:31 AM #1
    vy8v_s3
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    Light Weight Crank Pulley Kit

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    Coming up on 80k miles in a few months and saw in the service manual to check/replace drive V belt. Was considering just upgrading to the CTS light weight crank pulley kit. Anyone using this kit on their 8v S3?
    IG: vy8v_S3

    034 Stage 2 ECU & Stage 1 TCU, 034 Turbo Inlet and Turbo Muffler Delete, ECS Inlet Tube, APR Open Pex Intake, APR Coil Pack, APR Lowering Springs, 034 Upper & Lower Dogbone Insert, 034 Rear Subframe Inserts, 034 Dynamic Ball Joints, 034 Rear Sway Bar & end links. Rotiform WGR Wheels, ECS 15mm Rear Spacers.
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  2. 08-08-2023 11:57 AM #2
    vy8v_s3
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    After further research, will not be doing a light weight pulley.
    IG: vy8v_S3

    034 Stage 2 ECU & Stage 1 TCU, 034 Turbo Inlet and Turbo Muffler Delete, ECS Inlet Tube, APR Open Pex Intake, APR Coil Pack, APR Lowering Springs, 034 Upper & Lower Dogbone Insert, 034 Rear Subframe Inserts, 034 Dynamic Ball Joints, 034 Rear Sway Bar & end links. Rotiform WGR Wheels, ECS 15mm Rear Spacers.
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  3. 08-08-2023 04:14 PM #3
    MikTip
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    Junk
    2015 S3 with 210,000 miles with new 2019 Q5 motor. Still going!
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  4. 08-09-2023 06:32 AM #4
    vy8v_s3
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    Quote Originally Posted by MikTip View Post
    Junk
    Yup, that's what I found too lol
    IG: vy8v_S3

    034 Stage 2 ECU & Stage 1 TCU, 034 Turbo Inlet and Turbo Muffler Delete, ECS Inlet Tube, APR Open Pex Intake, APR Coil Pack, APR Lowering Springs, 034 Upper & Lower Dogbone Insert, 034 Rear Subframe Inserts, 034 Dynamic Ball Joints, 034 Rear Sway Bar & end links. Rotiform WGR Wheels, ECS 15mm Rear Spacers.
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  5. 08-09-2023 03:56 PM #5
    949
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    on other brands/makes, i have found that this does work well.

    why do you guys think it doesn't work on this platform?
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  6. 08-10-2023 07:57 AM #6
    texasboy21
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    Quote Originally Posted by 949 View Post
    on other brands/makes, i have found that this does work well.

    why do you guys think it doesn't work on this platform?
    In short, the front pulley is actually a harmonic balancer. It is tuned (much like resonators and mufflers in an exhaust system) to reduce the potentially harmful vibrations and harmonics the engine produces.

    When you remove that functionality there are detrimental effects. Further, there are upgraded crank pulleys that offer a performance advantage but it's not due to weight savings. Usually they are heavier! It's from improved dampening of the engine harmonics.

    This is one of the best options out there: https://fluidampr.com/engine-vibration/
    2019 SQ5 Prestige
    2016 S3 Prestige - Eurodyne Maestro ECU + TCU, REVO downpipe, air box mods, Bilstein B12 w/ EuroSport camber kit, 034 RCO + RSB
    2005.5 A4 2.0t "Stage 3" - Pag Parts rods/inlet pipe/FMIC/manifold/downpipe + Borg Warner EFR 6758 + Stasis cup kit + StopTech 332mm BBK + Eurodyne Maestro + Eurodyne Boost Manager Plus
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