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2001silverado364

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Posts posted by 2001silverado364

  1. Towing plus 6.0l plus 4l60 transmission = quick death of transmission. The cortex is not a very powerful tool and may make the 5.3l programming even worse for the 6.0l. Get it tuned by a tuner(someone who has the right equipment) or leave the 5.3 tune on the computer with the 6.0l, IMO. Many people run the 5.3 tune with the 6.0l engine until they can save up for the tune.

  2. Yeah, you need to cam it. You can get more than enough lift for stock heads with a cam and stock rockers. Just be careful doing both rockers and a cam, make sure your valve springs can handle that kind of lift. Also ptv clearances with high ratio rockers.

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