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Old 04-08-2012, 09:43 PM   #21
blazerboy72
Senior Member
 
Join Date: Mar 2002
Location: Temple, Ga
Posts: 854
Re: 5.3 swap with 4l80 transmission

I have a 5.3/4l80e combo in my blazer. It isn't the best combination for power or fuel mileage but if you ever decide to add some boost it is one of the best combinations to have.
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