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  1. M

    Any tips for better mpg

    If you are serious about mileage and performance, cleaning up the exhaust with headers and a tune will help along a lower back pressure muffler, correct tire pressures, high mileage street tires and a wheel alignment with 0-toe. Then there is a clean air filter (OEM works fine), synthetic fluids...
  2. M

    tools for electrical connectors

    Anyone know what or where to get tools to work on the connectors on the engine? I was replacing the starter on my '06 Yukon Denali and had a mishap with the starter, it was partially wired when it slipped from my grasp and sheared the wires off the connection located just above the starter (I...

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