2.8 pulley 60#injectors - Chevy Cobalt SS Forum : Chevrolet Cobalt SS Forums
 
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post #1 of 3 (permalink) Old 06-09-2008, 09:19 PM Thread Starter
 
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2.8 pulley 60#injectors

I just put a 2.8 pulley and 60# injectors, and got it tuned by hp tuners. It is not consistant though it runs real rich some times. It feels like its hesitating, I was wondering if anyone else with the same setup has had problems?
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post #2 of 3 (permalink) Old 07-04-2008, 10:47 AM
 
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Did u go a step colder on the plugs. They may be fouling out too, especially if it is so rich.
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post #3 of 3 (permalink) Old 07-04-2008, 11:39 PM
 
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what is your a/f ratio? You need to flat line it at 14.7 then go from there.
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