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E85 Calculator
Calculate ethanol fuel mixtures and cost comparisons
Ethanol Fuel Types
| Fuel Type | Ethanol % | Octane | Notes |
|---|---|---|---|
| E10 | 10% | 87-93 | Standard pump gas |
| E15 | 15% | 88 | 2001+ vehicles only |
| E30 | 30% | 94+ | Popular flex fuel mix |
| E50 | 50% | 100+ | Common tuned target |
| E85 | 70-85% | 100-105 | Flex fuel only, varies by season |
⚠️ Important Notice
- • Only use E85 in flex-fuel vehicles or vehicles with proper tuning
- • E85 content varies by season (51-83% ethanol)
- • Running E85 on non-flex fuel vehicles can cause damage
- • Consult a tuner before running high ethanol content
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About E85 Calculator - Ethanol Fuel Mix Calculator
Calculate E85 ethanol blend ratios and fuel mixtures. Estimate cost savings and blend percentages for flex fuel.
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Key Features
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No installation needed
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How to Use
1
Upload your image
2
Apply desired changes
3
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Frequently Asked Questions
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