Performance

Engine mods, Chips, Filters, etc.

Filters

po1071 too lean

2 3 4

Replies: 38

Views: 12K

Jul 28, 2009

06blackbalt

General Cobalt Information(2009)

Replies: 0

Views: 2K

Jul 19, 2009

cobalt123

General Cobalt Information(2007)

Replies: 0

Views: 2K

Jul 19, 2009

cobalt123

General Cobalt Information(2005)

Replies: 0

Views: 1K

Jul 19, 2009

cobalt123

General Cobalt Information(2006)

Replies: 0

Views: 1K

Jul 19, 2009

cobalt123

B

Machine Shop For High Performance Ecotec Engines?

Replies: 5

Views: 3K

Jul 19, 2009

B-Low187

B

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very poor mpg
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