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5.3L engine has 4 bolt mains?

Discussion in 'Chevy Truck Talk & GM News' started by stchman, Jan 3, 2013.

  1. stchman

    stchman Active Member 1 Year 1000 Posts

    I was looking around on the net and apparently the 5.3L engine in the Silverado/Sierra has 4 bolt main caps. Can anyone confirm this?

  2. Boonduff

    Boonduff Member 3 Years 100 Posts

    Actually, the LS style engines have six bolt mains. Four are vertical and two are horizontal and come in from the side of the block.

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