99xcss4
frank'n (truburban) K-2500
I do not think so it should work just fine once the ls tune is replaced with the l31 tune
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@Supercharged111 that is true, I did take the extra time to go back and make sure all the right wires were in the right pin holes. But that outta be my problem, I got a Gen III 0411 for a 6.0 LS. It should be okay once it is tuned though correct?