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E85 is an abbreviation typically referring to an ethanol fuel blend of 85% ethanol fuel and 15% gasoline or other hydrocarbon by volume. In the United States, the exact ratio of fuel ethanol to hydrocarbon may vary according to ASTM 5798 that specifies the allowable ethanol content in E85 as ranging from 51% to 83%. [1]
High percentage ethanol mixtures are used in some racing engine applications as the very high octane rating of ethanol is compatible with very high compression ratios. Ethanol fuel mixtures have "E" numbers which describe the percentage of ethanol fuel in the mixture by volume, for example, E85 is 85% anhydrous ethanol and 15% gasoline. Low ...
The improvement consists of using dual-fuel direct-injection of pure alcohol (or the azeotrope or E85) and gasoline, in any ratio up to 100% of either, in a turbocharged, high compression-ratio, small-displacement engine having performance similar to an engine having twice the displacement.
The LE8 is an E85-compatible 2.2 L (2,198 cc) version of the LAP Ecotec. [12] Bore and stroke remain the same 86 mm (3.4 in) and 94.6 mm (3.72 in). Compression ratio is 10.0:1 and the engine can run on both regular unleaded gasoline or E85.
It has a 10.2:1 compression ratio, Sequential multi-port fuel injection, and a bore and stroke of 94 mm × 85.6 mm (3.70 in × 3.37 in). Lower-powered versions only have variable cam phasing on the inlet cam (LE0). Selected models also include variable exhaust. The engine weighs 370 lb (170 kg) as installed.
E85 Ethanol (only on 3UR-FBE) Cooling system: Water cooled: Output; Power output: ... In the RC F and GS F, the compression ratio was increased to 12.3:1, the rev ...
The compression ratio was 9.9:1 for 2010, but was reduced to 9.7:1 for the remaining two years of production. ... (564 N⋅m) at 4000 rpm E85: 2015–2020 Chevrolet ...
The flex fuel E85 version with 13.0:1 compression ratio ethanol fuel capable. ... The hybrid version with 14.0:1 compression ratio achieves 41% thermal efficiency.