i had the same problem so i removed the predator and put my quadzilla back on. I have not had any problems for 10,000 miles. have an 07 truck

can you run a quad xzt with predator power puck tunes

surges on stock tune

Yes same here,i did not have any surging issues prior to the r12 update, just rough idle.

I drove about 100 miles before my truck surged, idle is good. Calid # is 45325753AB.

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07 dodge

Can you send me the new revision as well!

Thanks!

I have an 07 cummins that has the same problem.