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5.3 cam swap question to L99

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Old 04-22-2014, 10:28 PM
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Default 5.3 cam swap question to L99
Has anybody swapped in an L99 camshaft into their VVT 5.3 ? If so , I need to talk to you
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Old 02-16-2016, 11:15 AM
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looking for info on this as well
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Old 07-04-2016, 01:56 PM
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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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Old 07-24-2016, 04:24 PM
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Originally Posted by rhahn
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.
U would have a video of it?
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