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Lean Afr @ wot protection

Understanding AFR

Discussion and questions related to the course Understand AFR

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Runing a Autronic Sm4 on a 4 cylinder naturally aspirated race engine . Can someone give me some guidance as how would I tackle a RPM inhibit for engine protection as Afr goes lean above certain rpm and at a throttle above let’s say 40% but not 0% (overun) ?



Hi Adrian, I'm sorry but it's been probably 8-9 years now since I've dealt with any Autronic tuning so I'm not sure that I can help here. If you've got the Autronic AFR meter hooked up then this may be possible but I can't advise further. It may be worth contacting Autronic direct.