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red2005ss
September 28th, 2007, 8:33pm
Does anybody feel that there car is stronger some day's and sluggish other's?
I don't know if it is just me, or do I really feel that there is something wrong.
I do have 58,000 miles and I do regular maint.
2005 cobalt ss/sc
bc3tech
September 29th, 2007, 1:10am
should start making notice of the days when it feels stronger / weaker. things like air temp, air pressure, air density, humidity, etc will all effect the air density into your car which can cause varying performance on an f/i engine. also the gas you get can affect it as well. do you have something to monitor knock retard, like an Interceptor?
red2005ss
September 29th, 2007, 3:39am
No interceptor yet. Hopefully they will have our dyno installed in the next couple of weeks. Then i will be able to log everything.
XeroState
October 4th, 2007, 11:19pm
My car is an entirely different vehicle from when I leave for work in the morning to when I go home at 4ish..

I guess 33F air in the morning makes it work oh so much better compared to the 70F when I leave...lol
Doc
October 5th, 2007, 2:35am
duh...
rlinbatonrouge
October 5th, 2007, 9:22am
My car is an entirely different vehicle from when I leave for work in the morning to when I go home at 4ish..

I guess 33F air in the morning makes it work oh so much better compared to the 70F when I leave...lol

That's what winter is like for me. Take a road trip and see what the car runs like in the summer. Cars LOVE 150+ IAT's.
Cat Ion
October 5th, 2007, 12:33pm
That's what winter is like for me. Take a road trip and see what the car runs like in the summer. Cars LOVE 150+ IAT's.

Does that comment hint of sarcasm?.......yah, I can smell the sarcasm. Mine drives faster with the music turned up and the windows down. Wierd, huh?
rlinbatonrouge
October 5th, 2007, 12:46pm
Does that comment hint of sarcasm?.......yah, I can smell the sarcasm. Mine drives faster with the music turned up and the windows down. Wierd, huh?

HAHA. I have that same problem as well.

I also find that I get bad gas mileage when I'm waiting on a little green light. Happens every time I'm wearing a helmet and strapped in. Seems to make my tires wear down faster also...
Cat Ion
October 5th, 2007, 4:31pm
Woot for the green lite!

Any word yet on those silly rotors? I know it's old issues. Still torques my jaw though.
rlinbatonrouge
October 5th, 2007, 4:39pm
They're gone, man. I don't think I'll ever hear about them. No big deal. The price was good just for the fronts.