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  1. Chevy Impala 9th Gen Discussion
    Is it possible to do an engine swap from a 2007 LTZ 3.9 LZ9 to a 2008 LTZ That had a 3.9 LZ8(LZG). I don’t know if I need to reprogram the ECU’S. Or what the main difference between them is. I would like to swap for a little more performance. Also would not like the check engine light to be on...
  2. Automotive Discussion
    I have an 08 impala ltz i purchased it had 190,000 miles with the 3.9L engine in it. The freeze plug blew and engine took a crap at 200,000 miles. I'm looking at swapping the motor out with another motor, but was curious if any other motor would fit in its place cause 3.9L are double the cost of...
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