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DC Power Engineering

  1. xp vs sp

    Started by smashedz28,

    I apologize if this has been answered. I did a search and didnt exactly find the answer im looking for. What is the differences here? For my specific vehicle (1997 chev tahoe 5.7) there is the 270 XP and 270 SP, only difference i see is 10 amps at idle difference, with about a $50 difference in price. Can anyone clarify this for me please?

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    DC Power Rob

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