In 1991, Spice chose to concentrate on the IMSA GT Championship. However Euro Racing achieved a string of good results in the 1991 WSC with a Spice SE90C, including four fourth places, helping the team to fourth in the teams championship whilst drivers Cor Euser and Charles Zwolsman finished fifth and sixth in the drivers standings. In addition another Spice had the distinction of being the only C1 class car to be a classified finisher in the 1991 24 Hours of Le Mans. The following year saw Chamberlain Engineering successfully campaigning a Spice SE89C in the declining WSC - the team consistently scored points, including a third place at the 1992 500km of Silverstone and finished fourth in the championship, whilst their lead driver Ferdinand de Lesseps finished seventh in the drivers championship. Chamberlain also dominated the FIA Cup, with de Lesseps winning all six rounds. Following the collapse of the GTP class in IMSA at the end of 1993. Spice was active in creating update and modification kits to allow existing chassis to be updated to the then-new IMSA WSC specification.