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Plastic Pulleys

Discussion in 'Any Other Gas Engine' started by Moore87, May 10, 2008.

  1. Moore87

    Moore87 New Member

    May 10, 2008
    Why GM? Why?

    Anyone else have problems with the plastic tensioner pulley on the 6.0L gas engine?

    the first rib is gone and there is a crack across a few more


    Attached Files:

  2. stacks04

    stacks04 McLovin

    May 9, 2008
    terryville ct
    lighter and cheaper to make.
  3. Overspec

    Overspec Recruit

    May 9, 2008
    The pulleys run a lot cooler and last a long time. I had an idler bearing on my mower that would only last a few seasons. The thing would get red hot. Took an old plastic idler off my truck and stuck it on there and the thing is still running and you can touch it and don't get burned.

    That's the first I seen break.

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