Yea, I hate those detonation problems!!!

 

I am not 100% sure here, but I bet what happened is the Magna Tuner is a base adder, not an owerall writer. So, you were stacking the 2 tunes on top of one another and that could have been your problem! Again, I am not 100% sure of that, but it would make the most sense.

 

Congrats on getting your truck to finally run properly! I would think a live tune would be more appropriate than a mail order but as long as the problem has gone away congrats!