Steht bei RM Sotheby’s bei Private Sales zum Verkauf (Dezember 2020), mit folgendem Text: «Porsche’s customer 2.8 RSRs (M-491 specification) saw 49 cars delivered to privateers around the world. One of the earliest 2.8 RSRs delivered, chassis number 9113600614 was originally destined for Horacio Alvarez who planned to compete at the 1973 Daytona 24 Hours with it. A delay in delivery meant that Alvarez competed in his 911S with Diego Febles; the postponement of the delivery was fortuitous for 0614, less so for Alvarez who suffered an enormous accident through fatigue in his 911S and resulted in his permanent retirement from racing. Even the arrival of a beautiful new 2.8 RSR could not persuade the Alvarez family to allow Horacio to race again so he came to an arrangement with Diego Febles, and Febles took delivery of 0614 in Puerto Rico, paying his friend in instalments as he was unable to buy it outright. Despite his lack of funds, Febles immediately started racing his 2.8, winning races around the Caribbean, with occasional excursions to the US including in August when he beat Vasek Polak to win the SCCA Copa Turismo race at Riverside. Febles’ first major race would be the 1973 Daytona Finale 250 Miles in late November. Despite the 2.8 RSR being less than a year old, Brumos had already come up with a raft of improvements for the IMSA regulations including a larger ATL fuel tank, quick fillers through the bonnet, a full roll cage and a deep front air dam. Realising his 2.8 would not be competitive at Daytona, Febles sent 0614 to Brumos and the modifications above are listed in the period invoice (on file). Even after his investment, Febles suffered damage to the front bumper, causing several lost laps and resulting in a 24th overall finish. Nineteen seventy-four would bring more victories for Febles around Central America and a win at the Hollywood Speedway Park in Florida. During the year, he continued to make small changes to keep ahead of the competition including 0614’s ducktail spoiler becoming a later whale-tail. Febles’ last outing in his RSR would be at the 1975 Sebring 12 Hours, sharing the drive with Hiram Cruz. For this race he had now brought 0614 up to 3.0 RSR-specification, a modification that the majority of 2.8s received in period. There was fierce opposition on the grid including works BMW 3.0 CSLs, Ferrari Daytona Group IVs and an array of Corvettes and Porsches, but Febles and Cruz came home in a commendable 8th out of 69 starters.