2.4L Performance Tech 16 valve 172 hp EcoTec with 162 lb-ft of torque

Supercharged HHR

Old May 7, 2011 | 09:58 PM
  #41  
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Here's a clip of the HHR in action.

And my girlfriend forgetting that she is also being recorded

http://www.youtube.com/watch?v=fnn11_Ie6r4
Old May 7, 2011 | 10:05 PM
  #42  
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Originally Posted by hhrfreek
I hope thats not considered cheating
Nope, not as long as your 78# valve springs don't float the valves..
Old May 7, 2011 | 10:30 PM
  #43  
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Originally Posted by sleeper
Nope, not as long as your 78# valve springs don't float the valves..
Still using the stock 54# springs. I'm upgrading to 78# so I can rev that regularly, just waiting until I am ready to do the cams.
Old May 7, 2011 | 10:34 PM
  #44  
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I re-read it.. You're not experiencing any valve float @ 7,200 rpms?
Old May 7, 2011 | 10:46 PM
  #45  
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Originally Posted by hhrfreek
Here's a clip of the HHR in action.

And my girlfriend forgetting that she is also being recorded

http://www.youtube.com/watch?v=fnn11_Ie6r4

Nice.




Old May 7, 2011 | 11:11 PM
  #46  
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Originally Posted by sleeper
I re-read it.. You're not experiencing any valve float @ 7,200 rpms?
Not that I could tell. Power was still good all the way to fuel cut. But thats where the dyno would really come in handy b/c then it'd be obvious. I gave 7200 a go for a short while since I found many people getting into the 7400 range.
Old May 7, 2011 | 11:14 PM
  #47  
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Originally Posted by hhrfreek
Not that I could tell. Power was still good all the way to fuel cut. But thats where the dyno would really come in handy b/c then it'd be obvious. I gave 7200 a go for a short while since I found many people getting into the 7400 range.
Agreed.. & Cool build !!! I know CJ digs his on his 2.2
Old May 8, 2011 | 01:39 AM
  #48  
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sounds sooooh sweet, nice
Old May 16, 2011 | 07:36 PM
  #49  
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Just wanted to give you guys a quick update on the psi this kit is making so you have good information. It turns out my MAP sensor was faulty for a while and finally crapped out on me. After I installed my boost gauge a couple weeks ago, I noticed it was reading 9psi and my MAP was logging up to 12.5 in HP Tuners, but it was sporadic. I replaced it and it has been consistent with my boost gauge at 9psi. This makes a lot more sense to me as well considering the kit was supposed to make about 11psi with the stock exhaust, but with a free flowing exhaust my boost is 9psi with the 3.1" pulley.
Old May 16, 2011 | 07:46 PM
  #50  
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Luv the sound of a Supercharger.

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