Silverado got a tune up

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04-29-2013, 04:56 PM

blackz6sp

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Silverado got a tune up

Before:

5.3L Baseline Dyno - YouTube

After:
http://youtu.be/ySxQ3bl5o8A

Silverado 5.3L Tune up (cam) - YouTube

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04-29-2013, 05:11 PM

goinbrokez28

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Was the exhaust setup the same in all video's, or was that changed with the cam? Either way nice truck, she sounds mean!

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04-29-2013, 05:27 PM

blackz6sp

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Same catback, y-pipe was modified. Thanks!

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04-29-2013, 05:36 PM

goinbrokez28

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Wow thats a huge sound difference, I have a VERY loud exhaust as is, might have to make some changes before the cam I guess.

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04-29-2013, 08:52 PM

DR132

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before and after numbers?

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04-30-2013, 09:19 AM

blackz6sp

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Before:
227rwhp/265rwtq

After:
294rwhp/287rwtq

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