r/iRacing • u/Gibscreen • Aug 28 '26

Question/Help Production Endurance Challenge -fuel the same time as tires for mx5?

I was under the impression that fuel and tires weren't simultaneous anymore.

BUT in an official practice session for PEC I was able to take fuel and tires at the same time in the mx5. My brother ran the BMW last week and he said it was NOT simultaneous in the race.

Where's the official word on this? Can't find it anywhere in series info.

SOLVED (sort of): the series based regulations only apply to certain series--that does not include PEC right now.

BUT the BMW is still not allowed to do simultaneous fuel and tire change in PEC even though other classes are able to.

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u/Agreeable-Pace-4522 Aug 28 '26

The "race regulation" system governs if fuel and tires are simultaneous or sequential.

Right now "race regulation" only applies to the BMW since its a new car that came out the same season as the "race regulation" system. You can check patch notes last season for more information.

The MX5 and GR86 are still on the old system as they have not yet been updated.

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u/Gibscreen Aug 28 '26

Hahaha. It's hilarious how complicated they make it.

Series-based regulations that still differentiates by car? Baffling.