Re: 1970 Oldsmobile W30 Coupe 4 speed
That is a good question.
The W-30 Factory coded option started as a performance option added to the 442 in 1966 where only 54 were produced to Homologate the car for Drag Racing.
This was Oldsmobile's Factory Race Car.
So all W-30s have to be 442s first and all were built at the same plant in Lansing Michigan.
The basis for the Performance Part of the Pkg was Forced Air Induction system and the necessary parts to support it or "outside-air induction" system as Olds called it.
The W-30 evolved into the ultimate Olds performance/appearance Package.
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