Conversion of a 1999 Silverado to Dedicated E85 with Emphasis on Cold Start and Cold Driveability

摘要

The University of Texas Ethanol Vehicle Challenge team focused upon cold start/driveability, fuel economy, and emissions reduction for our 1999 Ethanol Vehicle Challenge entry. We replaced or coated all fuel system Components that were not ethanol compatible. We used The stock PCM for all control functions except control of a Nolve cold-start system our team designed. The primary Modifications for improved emissions control involved Ceramic coating of the exhaust manifolds, use of close- Coupled ethanol-specific catalysts, increased EGR for the Operating conditions of the five longest cruises the need And our cool-star system that eliminates the need The engine at the beginning of the FTP.