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Old 07-09-2014, 07:28 PM   #1
blazercrazy70
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Join Date: Sep 2006
Location: illinois
Posts: 516
best year of engine to look for in a 5.3

Just wondering if there is aNY difference in the engines from year to year in the cast block aluminum head 5.3. Other than the year they changed to drive by wire. Is the hip rating all the same on them just looking for some guidance
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