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hahaha really? Adding e85 without tuning for it is completely different than running ~95,96 unleaded fuel. Again, on a stock tune the gains would be negligible. However, on a tuned vehicle the higher octane definitely helps. Also, modern ECUs like the one in the s550 mustang account for fuel...

That's not true. Although the benefits of running higher than 93 octane on a factory tune car are probably negligible, it would not slow the car down.

So you're running the 18+ intake with your stock tune? I'm pretty sure the MAF housing is bigger on the 18+ so a tune is required.

Take it for a drive so the engine is warm. I noticed the filter is much more difficult to remove when the engine is cold.

I too suspect they turned off the knock sensors. Honestly unacceptable if they indeed did.

They won't go green if they're disabled.

The fact that he was able to get his I/M monitors to go green indicates that Lund never disabled any of the emissions monitors in the tune.

Who are you tuned by @Zrussian13? Do you have a defouler on your rear o2 sensor?

First time I've seen a 6r80/3.15 car on the stock converter go 1.6s in the sixty.

Probably 1000+ hp on stock fuel system and it looks like it went lean.

Honestly, the guy is clueless when it comes to cars so I put more blame on the tuner.

I'm interested in the intake manifold if you decide to split.

Have you added an octane booster such as Boostane to confirm that it is false knock?

Do you have long tube headers? They are a common source of false knock.

Have any of you noticed a difference with the heat reflective tape?

What was the trap speed? Disable advance trac next time. That sucks about the 87, some Boostane would have helped. Regarding the tune, you can't go wrong with either Lund or PBD.

Nice, let us know what she runs.

What was your best time with the 2015?

@ProChargerTECH Is the CARB legal tune available for SCT devices?

Why is that luc guy so negative? Nice job @Jons5.0 and thank you for posting your findings!