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- August 17th, 2026, 9:54 pm
- Forum: Series I Tuning
- Topic: Mazdaspeed RX-8 S1 tuning for E100 in Brazil – fuel scaling, cold start and injector headroom
- Replies: 0
- Views: 3638
Mazdaspeed RX-8 S1 tuning for E100 in Brazil – fuel scaling, cold start and injector headroom
Hi everyone, I'm working on a Series 1 RX-8 and I would like to better understand how to properly tune the Renesis for E100 using VersaTuner. The fuel situation here in Brazil is quite different from what most US/European tuning discussions are based on. In practice, the fuels available to me are: E...