Just Curious ... HHR SS V/S Cobalt SS
07-07-2011, 12:02 PM
#11
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07-14-2011, 07:31 PM
#12
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I think I figured it up one time that a HHR SS would have to have roughly
45 whp more then a comparable Cobalt SS turbo to break even in the 1/4 mile.
Now I know that driver mod etc, but that is a basic comparison of 1/4 mile time to get the same et.
45 whp more then a comparable Cobalt SS turbo to break even in the 1/4 mile.
Now I know that driver mod etc, but that is a basic comparison of 1/4 mile time to get the same et.
07-15-2011, 05:36 AM
#13
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do you remember if you did power:weight ratio to figure it out? i'd honestly think a tadbit more power would be needed to compensate for the aerodynamic differences.
07-15-2011, 09:47 AM
#14
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The HHR SS drag coeffecient is .35 the Cobalt SS/TC is .32
I used a power to weight ratio calculator for the 1/4 mile.
Then I used the HHR SS weight and the Cobalt SS weight with a whp figure of 350 whp for the Cobalt SS and recorded the 1/4 mile time.
Next I slowly added whp till I got the exact same ET in the 1/4 mile as the 350 whp Cobalt SS.
Its just a rough estimate as other factors come in to play, but it puts you pretty close.
07-15-2011, 10:32 AM
#17
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Our HHR SS are more aerodynamic then alot of sportier cars and what most people that own them think
The HHR SS drag coeffecient is .35 the Cobalt SS/TC is .32
I used a power to weight ratio calculator for the 1/4 mile.
Then I used the HHR SS weight and the Cobalt SS weight with a whp figure of 350 whp for the Cobalt SS and recorded the 1/4 mile time.
Next I slowly added whp till I got the exact same ET in the 1/4 mile as the 350 whp Cobalt SS.
Its just a rough estimate as other factors come in to play, but it puts you pretty close.
The HHR SS drag coeffecient is .35 the Cobalt SS/TC is .32
I used a power to weight ratio calculator for the 1/4 mile.
Then I used the HHR SS weight and the Cobalt SS weight with a whp figure of 350 whp for the Cobalt SS and recorded the 1/4 mile time.
Next I slowly added whp till I got the exact same ET in the 1/4 mile as the 350 whp Cobalt SS.
Its just a rough estimate as other factors come in to play, but it puts you pretty close.
the reason i brought aerodynamics is because the front of the HHR SS is very flat and more like a box truck.
07-15-2011, 10:41 AM
#18
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Looks like i gotta take mine too in that case
07-15-2011, 01:37 PM
#20
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