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Need some input please.. vids/time slip included

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Old Aug 16, 2013 | 06:52 PM
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Default Need some input please.. vids/time slip included

I have a 2008 Z51 C6, 6 speed manual. Headers, NPP, Vararam, ported TB and 93 Tune.


So, as a little background I had switched to E85 and just wasn't getting the expected performance out of the car. Low traps, buddies car pulling me with less mods, ect. So I decided to switch back to 93, I still feel like the tune could use some tweaking, but trying to figure out if I'm just expecting too much out of the car, or if I'm about where it needs to be. Hoping to have a somewhat open discussion, and maybe provide some updates as I continue to go to the track every week. And as a direct comparison, my buddy with a intake/tune LS3 C6 edges me out top end on at the local air strip events. Same tuner.

This is really my 3rd time at the track, and probably have 10-15 passes total. I've improved drastically since my 1st trip. I was doing 2.2's with mid to high 12's on street tires

The videos and time slip are on stock wheels/tires. I understand there could be some ET to gain from getting the 60's down, I will be on DR's the next couple of weeks. What I'm most concerned with is am I where I should be MPH for my mods.

Here is the video from Wednesday's night event running in the 11.50 class which I want to be competitive in, but until I find my missing MPH (as far as I'm concerned there's some missing, get on sticky tires and maybe improve my shifts a little bit I won't be able to.



Track conditions were roughly 950 DA using dragtimes.com Sorry, this was really the only one I kept which was my best MPH and ET.

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Old Aug 16, 2013 | 07:10 PM
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BTW, I guess I should also state I was expecting somewhere between 120-123- seems to be about the norm with these mods??
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Old Aug 17, 2013 | 10:32 AM
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Your right in line with your mods for MPH. You elapsed time is off because of your 60 foot. I was running 118.5-120 with a a6 z51, kooks and a tune.
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Old Aug 17, 2013 | 07:05 PM
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I ran 11.90@120 with a 1.80 60ft on drs. Headers, off road x and tune. Nothing else. Your 60ft are the killer and DA variations also are a big game changer. Btw, with better traction you speed most likely will increase. On street tires I run 117-118 mph and the best I've ran is 12.40s.

Last edited by Pitufina; Aug 17, 2013 at 07:27 PM.
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Old Aug 19, 2013 | 08:48 AM
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I appreciate the input. I went and had the car redynod and I'm still running rich, like 10.5 through most of the RPM range, so hopefully I can get that leaned out and see what it does.

I will be at the track Wednesday on DR's so hopefully I can improve my time as well.
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