HHR SS Topics and information on the 2008-2010 Chevy HHR SS Turbocharged models.

Dyno'ed HHR/SS Today

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Old Oct 7, 2008 | 07:20 PM
  #11  
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Numbers are good, but it's way too rich. You don't need that much fuel on a GDI engine. How extensive is the tune?
Old Oct 7, 2008 | 07:46 PM
  #12  
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It's not that extensive..Since theres not that many parameters that H/P Tuners has opended up yet..But it runs damn good.
Old Oct 7, 2008 | 08:34 PM
  #13  
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Originally Posted by gcsd3742
It's not that extensive..Since theres not that many parameters that H/P Tuners has opended up yet..But it runs damn good.
All of the parameters needed to tune the torque based system structure of the Bosch GDI system are available in the current version of HPT. There may be some additional ignition tables that could help eek out some additional power, but that's about it.

The advantage the BSR tuner has over an HPT tuned vehicle, at the moment, is the extensive knowledge BSR has with tuning GDI engines. Knowing what to change and how is the key. HPT provides a means, but not the methodology to extract extra power from a combination.

There's still plenty of power in the timing and cam tables so keep tweaking. Happy tuning.
Old Oct 7, 2008 | 08:37 PM
  #14  
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Thanks we dyno'ed Mightymouses as well he was like 4-5 horses below my tune and we ran them down the freeway almost identical...the only difference to me was the price for the tunes BSR tune was $1000.00 mine was $250.00... All in all was a good day and glad Mightymouse was there to enjoy as well....
Old Oct 7, 2008 | 10:09 PM
  #15  
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Originally Posted by 405HP_Z06
All of the parameters needed to tune the torque based system structure of the Bosch GDI system are available in the current version of HPT. There may be some additional ignition tables that could help eek out some additional power, but that's about it.

The advantage the BSR tuner has over an HPT tuned vehicle, at the moment, is the extensive knowledge BSR has with tuning GDI engines. Knowing what to change and how is the key. HPT provides a means, but not the methodology to extract extra power from a combination.

There's still plenty of power in the timing and cam tables so keep tweaking. Happy tuning.
Old Oct 7, 2008 | 10:14 PM
  #16  
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Oh the tuning has just begun I'll definately be on top of this item...Here is my tuners vehicle videos:
http://www.performancetrucks.net/for...d.php?t=425905

Heres a few pics of his motor in his 1/2 Chevy pickup....So if he can tune this he can tune mine easily...
http://www.performancetrucks.net/for...d.php?t=414920
Old Oct 7, 2008 | 11:23 PM
  #17  
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We all need to line 'em up this weekend before Brandon and I get our new toys.A third gear pull from a 60 roll would be a very objective way of comparing the tunes.
Old Oct 8, 2008 | 07:35 AM
  #18  
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If I could I would but going to be in San Antonio leaving tomorrow morning
Old Oct 8, 2008 | 08:16 AM
  #19  
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Impressive numbers for a little turbo 4 banger . . .
Old Oct 8, 2008 | 08:42 AM
  #20  
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I'm ok with them but it was 91.1F and like Mightymouse said we were facing a wall..it will get better with colder air...



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