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    Superbright LEDs Headlamp bulbs

    If you can't find led bulbs that pattern well you might consider 9011 / 9012 bulbs. They are the same wattage as stock and pattern well enough in original housings. The filaments are aligned in the same orientation as 9005 / 9006 bulbs. <The housings haven't been aimed yet in this picture /...
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    Speedometer wrong

    Hello everyone, I'm a long time reader but this is my first post. I have a 2000 GMC C3500 with a 5.7, 4L80E, 2wd, 4.10 open diff. I recently changed tire size from slightly oversized <265 75 16's> to factory 245 75 16's. According to my GPS the odometer is correct, but the speedometer is...
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