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SU Carburettor Tuning Software

For Microsoft Windows 98/XP/Vista/win7

Written by Scott Beavis

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"If you are running SU carbs you really need this product, its that simple! 10 out of 10!" - David, UK


WinSU will help you find the correct SU carb needle for your...

  • Austin Rover : Mini, Metro, Minor, Healey, Princess, Marina, Maxi, Allegro, Maestro, Montego, 200, Range Rover, SD1
  • MG : Midget, MGB, ,MGC, MGT, MGF
  • Jaguar : E-type, XJS, XJ6, XJ12
  • Triumph : Spitfire, Stag, TR2, TR3, TR4, TR5, TR6, TR7, TR8
  • Plus any other car!


Software features include...

  • Simple user friendly interface
  • Suggests the best needles for your engine with lean/rich error
  • Technical library contains data on over 700 needles
  • Supports single/twin/triple/quad carbs running 0.09/0.1/0.125inch jets
  • Performance analysis gives power, torque, max speed, 0-60 time, etc etc
  • Gearbox info allows transmission loss and wheel power to be calculated
  • Additional 'generic' engine type will suggest needles for ANY car
  • Projects can be loaded/saved
  • Metric or imperial units
  • Needle dimension data can be displayed graphically or as a table
  • Overlay up to 8 needles profiles to compare them graphically



Download your FREE evaluation copy now!

Click here to see the differences between the free and registered software



If you encounter any difficulties using WinSU, or have an suggestions for future enhancements please email me on

help @ winsu . co . uk
(Remove the anti-spam spaces)

WinSU application and associated files written by Scott Beavis Copyright 2013

Produced with kind permission of Burlen Fuel Systems Ltd, owners of the SU registered trademark.