fastest with just a tune??

Your 6.0 is not even in the game


6.0's are capable of 13.1's on tuner, intake, and exhaust (also bone stock trans and everything else). Not sure how that's not even in the game compared to other brands.

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12.3@108, fuel only, stock turbo's, and stock fuel system other than ported fuel rails and an Air Dog II.

2008 CC/SB F-250 that weighed in at 7620 lbs.

Here is the time slip...

139-1.jpg
 
Pretty sure Eric from innovative went 12.2 with just exhaust tune and intake on his rc 6.4, ive been 12.64 @107 with tune and trans, went 12.21 @111 with low press fuel sys and a 72/83 on stock fuel and 11.35@122 with stock inj and HPFP with one stage. @7900lbs, and made 947 on stock inj and HPFP
 
My 6.4 went 13.6 at 5800 feet in 90 degree weather. A crew cab, a touch over 8400 lbs on 35" toyo mts. Density altitude was like 10,441 that day. My dd tune, intake, and exhaust.

Fwiw never had a similarly modded duramax hang with it.

I'm in CO... I'm running a stock trans,turbo,injection etc. Duramax and I went 13.3 w/1.9 60ft on my DD tune... so they are out there, just keep looking ;)
 
i have a friend who went 15.4 with just a bully dog power pup on the mild setting. it was a RCLB 04.5 duramax 4x4 but he left in 2wd . It was completely stock outside of that.
 
This is my favorite stock with a tune truck.....

[ame="http://www.youtube.com/watch?v=ui7VcFdTnEY"]http://www.youtube.com/watch?v=ui7VcFdTnEY[/ame]
 
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