Spark Plugs for Stage 1
03-10-2007, 11:06 AM
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Spark Plugs for Stage 1
I did a search but came up with aot of different responses. I want to change my plugs to a copper core, but am having a hard time decided if I should go colder w/ GMPP Stage 1 or if I should stay at the same heat range as stock. Any advice would be appreciated. My other mods consist of CAI and Cat-Back Exhaust.
03-10-2007, 11:08 AM
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Stay stock brother. The GM tunes are pig rich. If you go colder you may not get as clean a burn. I had Stage 2 w/ coppers and switched them back because the car ran like crap. After the stockers went in things got much better.
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