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1K views 8 replies 8 participants last post by  z06bigbird 
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Bob,

I am still trying to figure out why GM reduced the displacement of the Northstar from 4.6 to 4.4. Even my local Caddy dealer cannot tell me.

One person told me it was necessary to fit the engine in the XLR V. Well, the STS has had a Northstar for years.

Any thoughts?

Ed


Ed
 
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