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Tuning Knowledge
& Insights

Learn the fundamentals
behind performance tuning.
Explore the newest articles on tuning, diagnostics,
and what your logs are actually telling you.

Articles for: E85 Tuning

What AFR Should I Target for E85? Why 10.5:1 Is Wrong

That magical 10.5:1 AFR everyone targets on E85 is costing you power and reliability. Real E85 varies dramatically in ethanol content, and your tune needs to adapt with it.
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