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034Motorsport Billet Aluminum MQB Upper Dogbone Mount Insert, MkVII Volkswagen Golf/GTI/R, 8V/8V.5 Audi A3/S3/RS3 & MkIII Audi TT/TTS/TTRS

  • 034Motorsport Billet Aluminum MQB Upper Dogbone Mount Insert, MkVII Volkswagen Golf/GTI/R, 8V/8V.5 Audi A3/S3/RS3 & MkIII Audi TT/TTS/TTRS (034-509-1035)
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SKU:
034-509-1035
Weight:
2.00 LBS
Shipping:
Calculated at checkout
Quantity:

034Motorsport Billet Aluminum MQB Upper Dogbone Mount Insert, MkVII Volkswagen Golf/GTI/R, 8V/8V.5 Audi A3/S3/RS3 & MkIII Audi TT/TTS/TTRS (034-509-1035)

Product Features:

The 034Motorsport MQB Upper Dogbone Mount Insert (patent pending) is required for any MQB platform MkVII Volkswagen Golf/GTI/R, 8V/8V.5 Audi A3/S3/RS3 & MkIII Audi TT/TTS/TTRS using an aftermarket dogbone mount and dogbone mount insert. Aggressive driving that causes violent drivetrain movement, such as burn-outs that induce wheel-hop, will cause the upper and lower dogbone mounts to exert a bending moment on the dogbone mount arm, causing it to bend, and in some cases fail. When this failure occurs, the bottom of the engine is unconstrained and the engine will cause damage to other components in the engine bay. The 034Motorsport MQB Upper Dogbone Mount Insert eliminates these bending forces, allowing the dogbone mount to perform as designed during these violent events.

An aftermarket billet spherical dogbone mount combined with a dogbone mount insert dramatically improves the feel and responsiveness of the drivetrain during spirited driving. However, this combination of modifications, coupled with the design constraints of the MQB dogbone mount pucks, have revealed a scenario that applies forces to the dogbone mount arm that it was not designed for.

The lower dogbone mount insert limits compliance of the lower dogbone mount puck by filling large voids in the puck. During normal and spirited driving, this reduction in compliance results in more direct transitional response of the drivetrain to accelerative and decelerative forces. The driver feels more direct throttle response through the drivetrain without introducing a significant amount of NVH.

However, violent drivetrain shocks, such as burn-out induced wheel-hop, introduce additional forces that can cause damage to the billet spherical dogbone mount arm. In these violent events, the lower puck motion is limited by the dogbone insert, but the upper puck in unconstrained and is free to move forward.

This means that the entire puck assembly rotates forward at an angle towards the front of the car. Because the dogbone mount arm is clamped into the puck assembly, the rotation of the puck assembly generates a bending moment applied to the dogbone mount arm that it was not designed for.

This insert slips into the front void of the upper dogbone mount puck, limiting the forward motion of the upper puck to match the limited forward motion of the lower puck with the lower insert installed. The result is an upper and lower insert package that eliminates the rotation inside the puck assembly during extreme drivetrain shocks, and keeps the forces acting on the dogbone arm in the direction the arm was designed for.

Fitment:

  • Audi A3 2015-Present 8V MQB
  • Audi RS3 2018-Present 8V.5 MQB
  • Audi S3 2015-Present 8V MQB
  • Audi TT 2016-Present 8S MQB
  • Audi TTS 2016-Present 8S MQB
  • Audi TTRS 2018-Present 8S MQB
  • VW Golf 2015-Present MkVII MQB
  • VW GTI 2015-Present MkVII MQB
  • VW R 2015-Present MkVII MQB

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