GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

2009 Denali 6.2 awd 600hp or bust build

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Old 02-23-2017 | 11:11 AM
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Can you share the exact cam you got? LS1 stage 2 is NOT the cam you want for a 6.2 on the sauce. It's not terrible... but it aint the best choice.
Old 03-08-2017 | 09:23 PM
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Default Goodies arrived



Old 03-08-2017 | 09:24 PM
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So the headers are on. Couldn't fit the cut outs in there so I'm going to do a single one at the y pipe. All the parts go on this Saturday. Getting the tune done march 17th by Matt Shue. Going to try and have the new cut out in and what not before. We'll see.
Old 03-09-2017 | 08:26 AM
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Originally Posted by joedarr33
So the headers are on. Couldn't fit the cut outs in there so I'm going to do a single one at the y pipe. All the parts go on this Saturday. Getting the tune done march 17th by Matt Shue. Going to try and have the new cut out in and what not before. We'll see.
smart move. One large single cutout will be cleaner, easier and still allow you to make great power
Old 03-18-2017 | 10:51 PM
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Default Tune update

So by the tip of our heads we got everything done on the truck and installed. Barely had everything done score we towed it to the tuner. Got to the Dyno and the truck was to big for the awd Dyno.... so that's impossible to find my actual numbers at this point.
Matt did a street tune and it is awesome! He did a full tune on my trans as well, the trans feels like a completely different rig. Matt knows the inside and outs of these 6l80's. So all motor the truck is awesome. We weren't able to do the nitrous tune because my engine was struggling to get air. The stock intake (that everybody swears was golden) was suffocating the engine and the y pipe I had done by a local shop ended up restricting the heck out of the engine. So I'm going to get some more air flowing and order a 3 inch y pipe and a volant intake for it. Debating a ported throttle body and a ported intake manifold but not sure on that just yet. Truck runs awesome. Is super fun with the wireless cut out!
I cant seem to insert a video but check it out on Facebook (joe darr) or instagram jdarr33
will update if I can find a Dyno to work and when I get some more parts ordered


Old 03-19-2017 | 06:13 AM
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Old 03-20-2017 | 07:48 AM
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clean nitrous setup



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