Rocket Man's 2008 Bagged CC Silverado Build AKA "THE MACHINE"

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Sam Harris

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How's that tune treating you Sam?
Current tune seems to be good to go. It is much more responsive, the gear changes are quick and positive.
It always seems to be in the right gear, and also shifts up very quickly, if you’re not putting your foot in it, which of course will save fuel mileage.
And the sport mode...?! Oh hell yeah!! I almost feel like I’m driving a stick, it’s so responsive! Always a flick of my ankle away from a quick pass! [emoji16][emoji83][emoji84]loving the responsiveness of both the engine and transmission! I also noticed the idle was lowered a bit.. almost as if there’s a very mild cam installed.. now, I need to actually add a cam.. [emoji869][emoji106][emoji631][emoji16]
 
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Rocket Man

Rocket Man

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I recorded a 20-minute data file on the Autocal and sent it off to Justin today. I asked for more chop to the idle, a 91+ octane tune and a sport tune for the tow/haul button. I figure it will be awhile so I wanted to get the data in right away and get in line. Maybe now that he’s done with Sams tune he will have some free time....:rolleyes:
 

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And the sport mode...?! Oh hell yeah!! I almost feel like I’m driving a stick, it’s so responsive! Always a flick of my ankle away from a quick pass! [emoji16][emoji83][emoji84]loving the responsiveness of both the engine and transmission! I also noticed the idle was lowered a bit.. almost as if there’s a very mild cam installed.. now, I need to actually add a cam.. [emoji869][emoji106][emoji631][emoji16]

Excellent, glad it's running great! Curious, how do you switch to sport mode?
 
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Rocket Man

Rocket Man

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Excellent, glad it's running great! Curious, how do you switch to sport mode?

I want to say using the tow/haul button?


Sent from my iPhone using Tapatalk
Yes, they convert the tow/haul button to sport mode. It affects the shifting different than the way toward/haul does.
 

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