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

Hot Weather Boost - What are you seeing??

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Old May 13, 2008 | 08:20 PM
  #11  
Nebulous1's Avatar
Senior Member
 
Joined: 02-06-2008
Posts: 177
From: Hilo, HI
I floored it twice today, deliberately watching the boost gage, both times in third gear. 82° F., ~50 ft. elevation: +15 psi. 78° F., ~1,000 ft. elevation: +15 psi. About 1,700 miles on the engine, running 92/3? octane. I didn't think to disable the TCS or ESC before testing, so they were enabled.
Old May 13, 2008 | 11:04 PM
  #12  
Clevelandhhrss's Avatar
Senior Member
 
Joined: 03-31-2008
Posts: 772
From: CLEVELAND
Originally Posted by crazysteve
With the ECU's in these cars they don't really care what boost levels they make they shoot for a target air mass / torque and it uses whatever amount of boost it takes to make that number....moral of the story boost is just a number....no matter what the gauge says you are still making the same power.
Yeah until your exhaust temp gets to high, fuel octane too low, altitude too high, or load (passengers/towing) to great. The car will SHOOT, but sometimes (evo8 hunting) you need more gun.
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