Skip to content
-
Keep checking back for the latest updates - and if you see me out and about... SAY HELLO!
BlownByTwins

Just a tale of one man and his cars...

  • Mk4 Supra
  • R35 GTR
  • Tech & Tuning
    • Engine ManagementReference articles on ECU calibration, air modelling and engine control. Car-agnostic technical writing: the maths, the measurements, and the failure modes. Applies to any standalone platform, not just the cars on this site.
  • Partners
    • Tuning
      • SRD Tuning
      • MK Auto Repairs and Tuning
      • Litchfield
    • Wheels
      • Vossen
      • Rays Wheels UK
    • Engine Parts
      • Emtron
      • Pulsar Turbo
      • Rajab Racing
    • Interior
      • Corbeau Seats
  • Car Clubs
    • JDM Heroes
  • Previous Cars
    • R34 GTR
  • Mk4 Supra
  • R35 GTR
  • Tech & Tuning
    • Engine ManagementReference articles on ECU calibration, air modelling and engine control. Car-agnostic technical writing: the maths, the measurements, and the failure modes. Applies to any standalone platform, not just the cars on this site.
  • Partners
    • Tuning
      • SRD Tuning
      • MK Auto Repairs and Tuning
      • Litchfield
    • Wheels
      • Vossen
      • Rays Wheels UK
    • Engine Parts
      • Emtron
      • Pulsar Turbo
      • Rajab Racing
    • Interior
      • Corbeau Seats
  • Car Clubs
    • JDM Heroes
  • Previous Cars
    • R34 GTR
  • Instagram
  • Facebook
  • YouTube
  • TikTok

Home » Toyota Supra

Mk4 Supra Zestek Steering Wheel Adapter Failure: Downshift Paddle Not Working
Posted inMk4 Supra

Mk4 Supra Zestek Steering Wheel Adapter Failure: Downshift Paddle Not Working

The Zestek steering wheel adapter on my Mk4 Supra has suffered another downshift paddle failure. This is now the third failure in 15 months on a £1,400 + VAT product.…
Read More

Recent Posts

  • Tuning the Supra’s Boost Control: PID Gains Were Only Part of the Problem
  • Boost Control on the Emtron KV12: Where the Target Really Comes From
  • Staged Injection on the Emtron KV12: A Blend, Not a Switch
  • Tuning Cruise Control on a 1,000+ bhp Toyota Supra
  • Speeding in Europe 2026: What UK Drivers Actually Risk

2jz calibration dbw ecu emtron feedforward gtr injectors manifold nissan r34 r34 gtr r35 rajab racing skyline slap adventures supra traction control turbo upgrade

Copyright 2026 — BlownByTwins. All rights reserved. Bloglo WordPress Theme
Scroll to Top