garcia26233 Posted July 11, 2013 Share Posted July 11, 2013 What is the difference between a '99 E7 427 engine and '99 E7 460 ??? Injectors ? Valves ? Computer ? I've replaced one with the other but got a slog, doesn't do well in hills. My 427, original engine, gave out at about a million miles. It was very strong. I was talked into buying a 460 but it is awfull on hills. During delivery the the computer was crushed so I had to use my original. Might this be the problem? It has no power. What can I look into? Quote Link to comment Share on other sites More sharing options...
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