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

Calling all 6.2 ECSB and CCSB owners...

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Old Jan 26, 2011 | 10:38 PM
  #121  
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Originally Posted by markislive78
Honestly i'm still on the fence, I'm swapping various sized y-pipe's and catback's. I'll let ya know when she's dialed in and I find that sweet spot...
Yeah I hear you and since I will be possibly changing up the exhaust in a year or so anyways I'm just going to go ahead and get rid of all restriction for the time being.
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Old Jan 26, 2011 | 10:41 PM
  #122  
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Why not do a single turbo kit? They can make over 1000rwhp plenty easy and there are kits on the shelf that you could pick up. Hell KB sells his intercooled T6 kit for less than 5K. Pretty hard to beat dollar for dollar to anything else.

On a side note I wonder how going to an aftermarket 3.5" catback lost low end on a bigger motor and 3" felt like you gained? Seems contrary to what most preach on here but I dont doubt it. I figured that would be the results on semistock motors, especially ones with tight or stock stall converters. I bet if you went with a higher stalling converter the 3.5 would feel better.

And hey double047 dont throw that muffler or resonator away I may know someone who wants it
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Old Jan 26, 2011 | 10:48 PM
  #123  
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Congrats on the time Mark, no doubt will improve with traction!
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Old Jan 26, 2011 | 10:50 PM
  #124  
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Originally Posted by 1slow01Z71
On a side note I wonder how going to an aftermarket 3.5" catback lost low end on a bigger motor and 3" felt like you gained? Seems contrary to what most preach on here but I dont doubt it. I figured that would be the results on semistock motors, especially ones with tight or stock stall converters. I bet if you went with a higher stalling converter the 3.5 would feel better.
In my humble opinion too many folks think "flow" yet ignore "velocity" on a heavy *** truck with long intake runners... I guess it wouldn't matter as much with a stall

Reputable exhaust compaines wouldn't downsize to 3'' unless they had a reason...I know Cosra and Borla test various sizes

Last edited by markislive78; Jan 27, 2011 at 01:23 AM.
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Old Jan 26, 2011 | 10:55 PM
  #125  
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Ive never been happier with an aftermarket exhaust than I have been with corsas, theyre absolutely awesome in fit, finish and quality. Id still be running one if it wasnt for needing a quiet exhaust for my little guy. Its still amazing to me what these 6.2s are putting down time wise with basically exhaust and a tune
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Old Jan 26, 2011 | 11:32 PM
  #126  
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Originally Posted by markislive78
In my humble opinion too many folks think "flow" yet ignore "velocity" on a heavy *** truck, ur right I guess it wouldn't matter as much with a stall...

Reputable exhaust compaines wouldn't downsize to 3'' unless they had a reason...I know Cosra and Borla test various sizes

Amigo,i see your point but you do all the R&D tweek it perfect but then your next mod could be a game changer??? yes
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Old Jan 26, 2011 | 11:36 PM
  #127  
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Originally Posted by gonzo 6.0
Amigo,i see your point but you do all the R&D tweek it perfect but then your next mod could be a game changer??? yes
I'm staying mild and reliable (no CAM or Blower), whatever it takes for 12.99 and leave it alone...lol!
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Old Jan 26, 2011 | 11:55 PM
  #128  
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Originally Posted by markislive78
I'm staying mild and reliable (no CAM or Blower), whatever it takes for 12.99 and leave it alone...lol!

17s boom your done
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Old Jan 26, 2011 | 11:56 PM
  #129  
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$50 says you do a mod you say now your not while you own it
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Old Jan 27, 2011 | 12:00 AM
  #130  
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Originally Posted by gonzo 6.0
17s boom your done
I ran with them tonight...lol!

That run would have been 13.2ish w/2.0 60', plus I showed up with 100 extra pounds of fuel...Can't wait to retune for the new y-pipe...
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