August 17, 2014

ULTRA4 Expands into Europe

  • Wales

  • Scotland

  • Portugal

  • Italy

 

Will IFS Vehicles Dominate the European Series?

 

The ULTRA 4 series (USA) has expanded into Europe and competitors from all over europe compete in ULTRA 4 racing on the same basis as the King...

August 15, 2014

Do you ever drive your ULTRA 4 Rock Racer In Reverse?

Are your Diffs Mounted Upside Down?

 

  • What happens to your diffs in reverse?

  • Are they as strong in both directions?

  • Are some diffs stronger in reverse?

 

Typical passenger vehicles, 4WDs', Suv's and Truc...

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ULTRA NARROW DIFFERENTIALS - TECHNICAL VIDEO

October 21, 2014

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