Drag Pack was

Ford Motor Company Ford Motor Company (commonly known as Ford) is an American multinational corporation, multinational automobile manufacturer headquartered in Dearborn, Michigan, United States. It was founded by Henry Ford and incorporated on June 16, 1903. T ...

's marketing name for an option package that included a remote mounted oil cooler and higher ratio rear axle gear (plus engine components on some models). It was available in the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

for some of its car models. This option appeared on the invoice as Drag Pack, Super Drag Pack, Drag Pak, or Super Drag Pak (the spelling "Pak" was used by the Lincoln/Mercury division of Ford). The exception was a factory-equipped

Boss 302 Mustang The Mustang Boss 302 is a high-performance H.O. V8-powered variant of the Ford Mustang originally produced by Ford in 1969 and 1970. Developed to meet homologation requirements to compete in Trans Am racing, it was Ford's response to the su ...

with the Drag Pack option, which was not marketed by Ford as such, or by any other name. At the start of the 1970

model year The model year (sometimes abbreviated as MY) is a method of describing the version of a product which has been produced over multiple years. The model year may or may not be the same as the calendar year in which the product was manufactured. ...

, Ford began installing the Drag Pack on approximately 10% of Boss 302

Mustangs The mustang is a free-roaming horse of the Western United States, descended from horses brought to the Americas by the Spanish conquistadors. Mustangs are often referred to as wild horses, but because they are descended from once-domesticate ...

. For those who were aware of it, this free Drag Pack upgrade was available simply by ordering a 4.30 rear axle ratio. The exceptions were two early production vehicles with 3.91 axle ratio (special factory orders that received the oil cooler), and two 4.30 axle ratio vehicles (which reportedly did not receive their intended oil cooler, possibly the result of a supply problem). The 4.30 axle ratio exceptions are insignificant in terms of establishing a meaningful pattern, as they represent a normal (1970) production line

margin of error The margin of error is a statistic expressing the amount of random sampling error in the results of a Statistical survey, survey. The larger the margin of error, the less confidence one should have that a poll result would reflect the result of ...

References

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