After reading this post I hope you don't blast me for being naive and start saying there are many many threads about tuning in this forum. I know that and have read a lot here, but due to my 49 years of life where I just never have been car engine savvy, I want to learn but need some help getting ...

Don't stress or be nervous! I would guess that for all the folks that have had difficulties, there are plenty more like me for which the Predator has performed flawlessly. I'm running the unmodified 91 octane CAI tune on my 2008 300C AWD (5.7L). I had zero issues updating my Predator online before ...

I find it funny that I'm real nervous about the Predator. I have never had a problem fixing computers/electronics and although with more complex issues time becomes a problem, I have fun with computers & electronics.

Of course there are problems with anything, and generally when you come to a forum ...

I also just saw this on the 7135 product information page:

NOTE: The use of respective grade fuel should be used with tune choice.
91 octane tune will run on 87,89 and 91 octane. The 93 octane (Performance) tune will run on 91 and 93 octane.

The way I read this is the 91 tune will work on the 89 ...

Yes, it's quite easy.

You only need to adjust timing if you plan on running at WOT (wide open throttle), because that's the only place you can adjust the timing. If you're driving the car conservatively, you're fine, but if you're already loading a canned tune, select the Modify Tune option and go ...

It is simple, but I cant understand for any reason why you would want to run low octane fuel in a high performance engine, especially when you went out and bought a Predator, presumably to improve its performance?

Hi Mike,

Being a newbie to owning a vehicle with a performance engine, the reason ...

First post here, so Hi everybody.

Question - I live in MA and run 89 Octane fuel. I read this in the forum:

17) Running 89 or 100 Octane Fuel

Since the introduction of this tool, many have asked if they can run 89 octane fuel with a Predator tune. The answer is Yes and No! If you are going to ...