5.3 cam swap question to L99
Jul 4, 2016 | 01:56 PM
#3
Just saw your post. I did this swap a year ago. 12 Avalanche 5.3. with 3.42's. The extra lift woke up my 5.3 with shorties, catback and Airaid MIT. The low end stayed the same but picked up on the top end. The gas mileage increase by 2 mpg. You need the cam to make the other upgrades work.
Jul 24, 2016 | 04:24 PM
#4
Just saw your post. I did this swap a year ago. 12 Avalanche 5.3. with 3.42's. The extra lift woke up my 5.3 with shorties, catback and Airaid MIT. The low end stayed the same but picked up on the top end. The gas mileage increase by 2 mpg. You need the cam to make the other upgrades work.
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