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Vortec350ss 2005 Sierra Denali - Forged 370 and cog driven TVS2300

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Old Aug 19, 2015 | 05:29 PM
  #311  
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Can't wait to see stage 2!!! When will it be done?




Originally Posted by GRRR65GTO
Is stage 2 gonna be ready to be tested by friday? Im goin up to the track one more time before I leave for school

I dont know about you but I love embarrassing diesels at the track
You must be running against some slow diesels then...
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Old Aug 19, 2015 | 05:40 PM
  #312  
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Originally Posted by ltr450ryder
Can't wait to see stage 2!!! When will it be done?






You must be running against some slow diesels then...
Lol. True statement.
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Old Aug 21, 2015 | 04:32 PM
  #313  
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Yeah New Engalnd has a diesel night once in a while and all the bros with an intake and tuner come out and run 15s with their duramaxes and powerstrokes
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Old Aug 22, 2015 | 02:59 PM
  #314  
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That was a hell of a "stage 1"
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Old Aug 22, 2015 | 03:19 PM
  #315  
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Originally Posted by GMCtrk
That was a hell of a "stage 1"
Stage 2 should pucker the butthole pretty good
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Old Aug 22, 2015 | 04:02 PM
  #316  
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Will "stage 2" be done before NED closes in October?
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Old Aug 22, 2015 | 05:08 PM
  #317  
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Stage two will be fun, but I don't expect it to be till next season.
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Old Aug 24, 2015 | 11:56 AM
  #318  
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Ideally it will be done this year... but we'll see. I'm keeping my fingers crossed and pushing for it, but I wont be disappointed if I don't make it.




Alright I've kept you guys in the dark long enough.

Here it is:


That picture pretty much sums up 'stage 2' of this build.

Here's the details:

Forged Internal 370" iron block with 10.2 compression
-Jack-Shaft magnuson TVS2300 with a 102mm inlet, and ported lower manifold
-20% OD rear cog pullies
-Trick flow GenX 255 heads
-A Cam Motion cam spec'd by me. I hate it when others are secretive about specs. Mine is 230/246 117.5+5.5 .622/.605. It specs out to 3* of overlap, but the cam Dr. reports nearly 4* overlap, so it should bark at idle. It's unconventional around here... but it will make great power.
-Wiseco 3.2cc valve relief 4.030" 2618 pistons.
-Steel rings
-Upgraded Tool steel wrist pins
-Callies compstar H beam rods with ARP2000 rod bolts.
-GMPP LSA forged crankshaft
-Lower end studs
-Dual roller adjustable timing set












So more or less... this is a max effort maggie build. I love the way PD blowers make power, but as is the same with all of us, I want more. I am still keeping it a street machine of course...

We will see what the future brings, but I expect it to be pretty fun. I want to keep this blower in the ball park of 16-17 PSI. That may mean not spinning it as fast as possible with the OD cog rear drive, but I am OK with that. Anything beyond that range and the returns will really start to diminish, especially on a long pull. That's why I went with such great heads, and selected cam specs with some overlap. The goal there is to move as much CFM as possible. The small amount of overlap will use the boost charge to nearly completely clear the combustion chamber of spent gasses, and drive up the exhaust velocity even further. The end result should be a greater scavenging effect on the next exhaust stroke allowing it to continue to work as efficiently as possible. A combustion chamber filled with a cleaner charge of air and fuel is never a bad thing either...

I don't really know what to expect specifically, but the goal is to smash the current LQ9 and 1900 combo.


Last edited by Vortec350ss; Aug 24, 2015 at 12:08 PM.
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Old Aug 24, 2015 | 12:02 PM
  #319  
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Should be a screamer!
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Old Aug 24, 2015 | 12:16 PM
  #320  
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Originally Posted by Vortec350ss
the goal is to smash the current LQ9 and 1900 combo.
SMASH away man!
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