I have a nelson tune on my 5.3, and in the future plan on going with a 6.0. My ? is when the time comes will I have to pay for another tune or how does that work
I have a nelson tune on my 5.3, and in the future plan on going with a 6.0. My ? is when the time comes will I have to pay for another tune or how does that wo
99 ECSB 5.3 LS6 CAM AND SOME BOLT-ONS BEST TIME 13.6@97MPH
http://i104.photobucket.com/albums/m...wTRUCKS008.jpg
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