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10/10ths · 11-24-2020, 04:08 PM

What would you call “close” to Flat 6?

I shipped my car to them on a flatbed.

I don’t have dyno numbers, sorry.

The tune is actually four different tunes with a hand held controller that plugs into the OBD port. I have:

93 octane performance

91 octane performance

87 octane

Fuel Economy

Those are my four choices.

I use the car as a cross-country vacation car. I drive to Colorado a lot and can only get 91 octane there.

Also, around my home area, 87 octane is all you can get in some places.

I figured this has me covered for how I use the car.

The goal was to get the air/fuel ratios right with my deleted secondary cats.

The “aggressive” tunes maximize power for that given octane fuel. It works.

The midrange bump is impressive.

Cheers.

11-24-2020, 04:08 PM	#7
10/10ths "50 Years of 550 Spyder" Join Date: Jun 2015 Location: The Road Posts: 945	No.... What would you call “close” to Flat 6? I shipped my car to them on a flatbed. I don’t have dyno numbers, sorry. The tune is actually four different tunes with a hand held controller that plugs into the OBD port. I have: 93 octane performance 91 octane performance 87 octane Fuel Economy Those are my four choices. I use the car as a cross-country vacation car. I drive to Colorado a lot and can only get 91 octane there. Also, around my home area, 87 octane is all you can get in some places. I figured this has me covered for how I use the car. The goal was to get the air/fuel ratios right with my deleted secondary cats. The “aggressive” tunes maximize power for that given octane fuel. It works. The midrange bump is impressive. Cheers. __________________ 550 SE #310---"It's more fun to drive a slow car fast, than a fast car slow." Last edited by 10/10ths; 11-24-2020 at 04:12 PM.