Show Smaller Engines to Set N New w Speed Record INDIANAPOLIS LIS Ind May 1 14 AP Great AP P Great reat as was as the speed of or orthe the eight cylinder motor cars which competed last year In the mile automobile ra race e here the velocity of ot the pistons an and super superchargers hargers of ot the he new nett neW neWest vest est pocket engines which will be used in the Memorial day race will be greater be-greater greater Motors In cars w which compete on May 31 must have have havea a piston displacement displacement dis die placement not greater than 91 l- l 2 cubic Inches The The first first r race race ce In 19 1911 was for tor motors of at cubic Inches or under Engines built for lor the approaching approaching ap- ap ap- ap race will wilt be only about two thirds as large as the smallest engine in use in America In commercial commercial commercial com com- mercial or p passenger automobiles Engineers of ot these machines say the he crank shafts will revolve at a maximum of or times a minute as against revolutions for the engines used last year The super superchargers superchargers chargers are expected to attain 30 20 revolutions while the crank shaft shafts is s revolving times Some officials als predict that there theres Is s a chance for for fon the record average of f 13 miles ap an hour for tor miles being bettered The record was established by Pete In an IndIanapolis made car e |