How much is it to MAKE each: SPI, Zetec & Duratec?
So how much is it to make each focus engine: 2.0l SPI, 2.0l Zetec & 2.3l Duratec?
And what is the MSRP of each (and what do they really go for?)
I'm wondering if there really is a price difference between the cost to make each of them. (I think the Duratec is the cheapest to make)
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