The Leathernecks (10-3, 4-0 Summit) won their seventh straight game and bettered the 9-3 start from the 1986-87 team.
Ceola Clark added 14 points and six assists for Western Illinois, which shot 49 percent from the floor and hit 6 of 11 3-pointers. Houpt accounted for most of that, hitting 4 of 5 from long range.
Luis Jacobo scored 19 points and Joe Edwards had 10 for IPFW (6-9, 0-2), which shot just 32 percent from the floor. Frank Gaines, who ranks fourth on the Mastodons' all-time scoring list, struggled through a 2 for 13 shooting performance and finished with eight points.
Louisville's Chinanu Onuaku, who recently underwent a medical procedure to correct a heart rhythm issue detected during the combine, will keep his name in the NBA draft pool.
Andrew White III will return to the Nebraska men's basketball team next season after removing his name from the NBA draft.
Mike Brey is looking at former Notre Dame players to fill two assistant jobs that have opened up with the departures of Martin Ingelsby and Anthony Solomon.