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Vortec350ss 2005 Sierra Denali - Forged 370 and cog driven TVS2300

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Old Jun 27, 2013 | 10:41 AM
  #91  
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Alright I finally got the larger injectors in there and made a couple WOT runs.

I see about 5# of boost in this weather, with occasional spikes up to 5.5 with the 3.2" pulley.
5psi on cammed 6.0 LQ9 - YouTube

It feels strong and I can't wait for things to come.
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Old Jun 27, 2013 | 11:57 AM
  #92  
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andysc3...thats a sweet ride bro
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Old Jun 27, 2013 | 12:12 PM
  #93  
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Originally Posted by ferrellrooster
andysc3...thats a sweet ride bro
What? This is not his truck.
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Old Jun 27, 2013 | 12:17 PM
  #94  
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How low is your fuel pressure dropping in that video? On my phone so it's hard to tell, what pump you running.
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Old Jun 27, 2013 | 12:32 PM
  #95  
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Originally Posted by 03sierraslt
How low is your fuel pressure dropping in that video? On my phone so it's hard to tell, what pump you running.


It drops to about 3bar or so. I was waiting to see how long it would take someone to ask. As of right now its the stock pump... Sounds stupid but I had a full tank and I didn't want drop it with all that weight in there. I'm waiting to drain it a little to make the job easier. I have a 255 waiting to go in. That should supply me with enough fuel for a while, and when the time comes I will upgrade to similar set up to yours with dual in tank 255's.

The tune is also pig rich up top for that very reason... better safe than sorry.

I won't be abusing it any more until I get the 255 in there... I just couldnt resist!
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Old Jun 27, 2013 | 12:37 PM
  #96  
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Lift the bed to the side instead of dropping the tank.
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Old Jun 27, 2013 | 12:54 PM
  #97  
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Be careful if its pig rich as you will wash your cyl walls. If its really rich plan to change your oil once you get the tune straightened up. Do you have a wideband?
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Old Jun 27, 2013 | 02:26 PM
  #98  
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I have an LC-1 but its a pain in the ***... I think I need a new sensor.

Is taking off the bed easier than dropping the tank?
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Old Jun 27, 2013 | 07:24 PM
  #99  
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If you have a lift, drop the tank. If not, the bed is easier.
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Old Jun 27, 2013 | 07:34 PM
  #100  
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Originally Posted by oakley6575
If you have a lift, drop the tank. If not, the bed is easier.
X2.
You can unbolt the bed and slide it back to clear the tank.
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