What’s the Difference Between Open and “Spec” Formula

Formula racing is a single-seater open-wheel motorsport. The FIA developed formula racing in response to the World War II single-seater rules or formulae. Among these formulae, the most well-known are:

  • F1
  • F2
  • F3

There are two main types of racing formula: control or “spec” formula that works with a single supplier for engines and chassis, and open formula that has a choice of engines or chassis. FBMW is an example of a control arrangement, whereas F3 is an example of an open arrangement. 

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Let’s find out more about these formats.

So What’s The Difference Between These Two Formats?

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The main objective in spec racing is limiting performance. So even if a new technology has been introduced, it will be off-limits in this race. However, Open class racers are allowed to make upgrades as the season progresses. The spec classes will only update when the season starts and a new spec is placed for the next season. So when you compare the two racing styles, you’ll see that control setup is slower and not developed like the Open class.

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As you can see, the control format is slower than the open format. Hopefully, FIA officials will change this format in the future because the rules in the latter make the competition much more enjoyable.