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

2.8in Vs. 3in Pulley boost. Charted

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Old May 6, 2010 | 06:29 PM
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Dirty25RS's Avatar
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2.8in Vs. 3in Pulley boost. Charted

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Old May 6, 2010 | 07:44 PM
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From: crystal lake, il
what is the stock pulley that comes on a cobalt ss
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Old May 6, 2010 | 08:00 PM
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The stock pulley is 85mm, or 3.346". Creates 12psi at full load.

I think it should be noted that just because the 2.8 makes more boost, it also creates more power-robbing heat which can easily cancel out any gains. Too much boost = restriction = heat.

A 2.8 with proper cooling mods can be a lot of fun though.
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Old May 6, 2010 | 08:18 PM
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Originally Posted by Pyros777
The stock pulley is 85mm, or 3.346". Creates 12psi at full load.

I think it should be noted that just because the 2.8 makes more boost, it also creates more power-robbing heat which can easily cancel out any gains. Too much boost = restriction = heat.

A 2.8 with proper cooling mods can be a lot of fun though.
pretty much says it all
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Old May 6, 2010 | 08:45 PM
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Nice, I was thinking of going with ZZP's Stage 3 with the 2.8 and a S3 H/e. Has anyone installed the single pass that came out, was wondering if its worth the $400. Not trying to thread jack just glad someone posted this information....what was the atmosphere like when dynoing?
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Old May 6, 2010 | 10:00 PM
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From: Akron, Ohio
~80F

high humidity, 70%

1158ft elevation.
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