1993 Chevrolet Corvette Owner's Manual - Page 243

Service & Appearance Care I Fuel (CONT.) What aboutgasoline with .blending materialsthat contain oxygen, such as MTBE or alcohol? MTBE is ''m&hYl tefiiary-butyl 4 Gasdines for Cleaner Air Your use of gasoline with detergent ether," Fuel that -is. more than 15% no MTBE is fine %or your vehicle.. Ethanol is .ethyl or -grainalcohol. .Prop,erly-bkndedhe1 that is no more than 10% ethanol is fine €or your vehicle. Methanol i s methyl or wcrod alcohoI. I additives will help pr-event deposits from foxrning in your engine and fuel system. That helps keep your engine in tune and your emission control system workijng properly. 1t"sgood for.your vehicle, md.,yoU'llbe doing-your part for cleaner-air. Many gasolines are now blended with materials called oxygenates, General Motors ree.omrnends'that-.you use ga.s.olineswith these blending materials, suchas MTBEa~~.~~~af?crX.By.doing so, y . 0 can help clean the air, especially ~ in those parts. of thecountry that have high carbon monoxide levels.