2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

boost for a lsj supercharged?

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Old 06-19-2013, 10:03 AM
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boost for a lsj supercharged?

Hey guy I'm new to the cobalt world I picked up my 07 ss/sc from the dealer Friday what kind of boost should it be running? Anything you can tell me about ss's? Its all stock besides a cold air intake borla exhaust and coil overs
Old 06-19-2013, 10:18 AM
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provided the pulley is stock (black pulley, pressed on no bolts on it) you should be pushing around 11-12 psi at max

make sure your i.c. pump is running. (most by now have failed) you will see coolant moving through the little fillerneck in front of the supercharger if its working. if theres no fluid fill it till there is fluid. if its full but not moving replace the pump.
Old 06-19-2013, 10:20 AM
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Stock pulley = 12 psi.

It will fluctutate with elevation and temp a bit.
Old 06-19-2013, 06:13 PM
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Also if completely bone stock and boosting more than around 12 psi, suspect a clogged catalytic converter that's robbing power and most likely gas mileage.
Old 06-19-2013, 10:33 PM
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Originally Posted by GfSwindle06
Also if completely bone stock and boosting more than around 12 psi, suspect a clogged catalytic converter that's robbing power and most likely gas mileage.
It is completely stock and its boost about 10-11 psi consistently and thanks guys for the info!
Old 06-19-2013, 10:44 PM
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Old 06-21-2013, 08:36 AM
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Originally Posted by SlowCobaltSS
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