Might have left out a piece of information
I neglected to say that this change is for non-hydroboosted vehicles. Any old body styles will benefit from the numbers I provided.
The pickups were old body combined with new body style in 99 (made both body styles). The SUVs went on later after that. But as stated above, anything with the old Vortec 5.7L were old body style.
When looking for NBS, stick with the 2002 Tahoe or later.
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