Thread: L59 Z engine code and LM7 T engine code......difference?????
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Old 10-03-2010, 09:03 AM   #5
trucktrail7
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Re: L59 Z engine code and LM7 T engine code......difference?????
Both engines are aluminum blocks. The L59 (Z) is the 5.3L Flex-Fuel engine, and the LM7 (T) is not.
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