Who has a tune on there 5.3?? Did it make a difference?

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Dec 27, 2005 | 01:16 PM

#11

Zick

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Joined: Jun 2004

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From: WI

My old 99' had a mail in tune by TSP and it made a hell of a difference. I was able to turn over the 285's at will.

Dec 27, 2005 | 01:27 PM

#12

Tractionless

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Joined: Feb 2005

Posts: 976

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From: Edinburg, TX

BIG difference man. I don't have before and after ETs or dyno runs, but the power is there... its very noticable.

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