the normally-aspirated R4. This is the part of the story where the “what if” is well worth considering. Studebaker had also developed and tested an R5 version of the 304, and it fully intended to put that engine into production. This took the R3 engine and replaced the entire induction...
” the Avanti was first shown to the world on the 26th April 1962 at the New York International Automobile Show. Its startling styling garnered a significant amount of attention, and it really appeared that Studebaker had created a winner. Sadly, it was not enough to arrest the plummeting ...
but they were very rarely ordered. Studebaker built only nine R3 Avantis and no known R4s, although Granatelli later bought most of the remaining R3 engines, so some of them found their way into Avantis