Originally Posted by Kastley85891

All the extra pulls with a not so great tune, trial vehhicle owners who have already paid, man I feel for the poor VQ under the hood, who knows how long that will actually last even if you have a 'good' tune when the deem it acceptable and release your vehicle back to you.
Damage could have already been done during all this tweaking/ experimentation, sure it could last a good bit but, knock, high EGT, bad ignition timing and boost oscillation can cause all manner of hidden gremlins.

To me my Z would not feel the same.