Matte Black

Me too! As someone who has spent a lot of time working in the 'vehicle aftermarket', I tend to have a good grasp of calibrations, etc.

I'm still under the impression that it was just a bad tank, but nevertheless I wanted to put it out there and see if I was alone of not. Either way I'm still going to stick with 93 as I too am looking forward to an aftermarket tune in the near future like NASSTY.

Bravo3eco

I would not be happy having to spend an extra $18/tank of gas just to make it run properly.
One question to the OP.... are you sure this is pinging? I ask because many have had rattling wastegates and that coy be what you hear on acceleration.

Livernois Motorsports

Not to witch hunt or anything, but at the cost of the vehicle alone why would you put cheap fuel in it? While yes, it shouldn't have an issue, you have already put yourself in the hole by not running some form of a premium octane fuel.

Matte Black

Oh yeah...definitely knock/detonation/pinging/pre-ignition whatever you want to call it. For better or worse it certainly is/was a noise I am familiar with .

Bravo3eco

Ah - that is unacceptable then. Take the truck back and make them fix it. This is indicative of deeper underlying engine issues.

Matte Black

I didn't know cost of vehicle was a measurement for octane rating?

...j/k.

As I pointed out earlier, For better or worse this thing is my daily and spends 75% of its life stuck in traffic on my hour long commute. (I know I know...blasphemy) I feel like its a waste of octane.

Now when I do eventually tune it and have some fun with it, I'll obviously make the switch. But in the meantime I figured if the truck was calibrated for all octanes, what could be the harm in running 87?

Again, I run E85 in my TVS blown Mustang and know the necessity of good fuel in vehicles that require it. But I wouldn't expect a 'stock' truck calibrated for 87 would be pinging like crazy. If the truck required 91/93 I wouldn't even bat an eye...but it doesn't.

Either way, bad gas or not- my experience was enough to sway me for good and the truck will now get a steady diet of 93 octane.

Matte Black

Ehh- I don't think that's entirely necessary but I appreciate the feedback.

cobrajunkie

I'm going with the bad tank of gas diagnosis.