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Idle speed question

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Hi, the idle speed for a v12 xjs is 750rpm but is this in park or drive?

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Better try Park its a might safer---Keoke /ubbthreads/images/graemlins/laugh.gif
 
I like to set the idle speed at about 800 RPM while in park. A slight variation dedpending on your desire or the tuning of the engine is permissible.
 
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