table ii presents piano analysis of both the low sulfur fraction 100 component of the gasoline fuel composition of the invention and the fraction 100 of the alkylation feedstock used in blending of the reference fuel table iii presents selected properties of both the low sulfur fraction 100 component of the gasoline fuel composition of the invention and the fraction 100 of the alkylation feedstock used in blending of the reference fuel table iv presents blend compositions and selected properties of both the gasoline fuel composition of the invention and the reference fuel table v presents inspection results for both the gasoline fuel composition of the invention and the reference fuel table vi presents a summary analysis of both the gasoline fuel composition of the invention and the reference fuel as measured by astm d1319 1995 table vii presents the results of the m102e inlet system cleanliness test for both the gasoline fuel composition of the invention and the reference fuel results of side by side engine testing of the gasoline fuel composition of the invention and a reference fuel with mercedes m 102 e protocol demonstrate a very significant reduction of valve deposit in particular the valve deposits using the reference fuel averaged 14 7 mg but were only 3 4 mg using the gasoline fuel composition of the invention the pilot scale unit included two identical fixed bed reactors which were operated in a serial down flow mode with inter reactor cooling of the process stream each reactor was charged with 300 ml of catalyst the process stream flowed into the first reactor of the two reactor unit through a feed weigh tube precision metering pump.