TrailBlazer 2002-2009
The TrailBlazer, originally introduced as an upscale Blazer, was produced from 2002 to 2008 with a powerful I6 engine and with a monster V8 offered in the Trailblazer SS
Platform: GMT 305, 360, & 370.

Changing spark plugs

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Old August 16th, 2014, 8:46 PM
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these engines were designed to use an Iridium plug nothing else will work they cost around $9 bucks each and a guaranteed to last for 100,000 miles Mine lasted well over that
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