Gearhead Performance Package

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mattr66

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You have to properly gap them as well or it is worthless to change.

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SHOmeDa$$$

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If your order the performance package from GH they do come pre gapped
 

SHOmeDa$$$

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So after I installed everything, 3 bar map, Colder plugs, and the thermostat getting ready for the tune. The car runs like crap and the check engine light and advance Trac maintenance light is on? Is this normal? Wouldn't think 542 plugs would cause this. Am I missing something?
 

Shokev

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Gotta add the tune before you run the car it’s running on the 3 bar and the stock tune runs on the 2 bar. It’s gonna run lousy.

For future reference we shop add the time then install the parts.


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SHOmeDa$$$

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For future reference we shop add the time then install the parts.


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Thanks. Lesson learned. Although I have grown up around cars and even rebuilt a few 350 race engines in my day, I have never tuned a car so I'm a total noon when it comes to these ECUs!
 

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