Performance improvements including a larger V-8 were the dominant changes for the model run.
This effect was determined using a model run of 100,000 years.
Production was at the highest ever for the model run, but still short of the planned 6,000 per year.
Changes for the short 2011 model run were limited.
This was not the gradual dying-off that the model runs had predicted.
Enough engines were completed to build-out the 1964 model run, which ended that summer.
Later in the model run, however, the bigger six was made available with any of Studebaker's three transmission options.
We had sold almost 900,000 cars in the 1968 model run.
The cost of putting the system on the cars was about $24 million for the 1971 model run.
This two distinct model run was a successful business decision that is almost unheard of in automobile history.