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Bob weight of stock LS1?

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Old Oct 18, 2012 | 07:32 PM
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Default Bob weight of stock LS1?

Can anyone in here tell me what the bob weight for stock LS1 needs to be? I would like to be able to drop a 6 liter crank off at the machine shop and just tell them to balance it with "X" amount of bobweight to make it within factory balance specs for a LS1 with stock pistons, rings and rods.
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Old Oct 19, 2012 | 01:37 PM
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Anybody?? I am wanting to take this to the machine shop Monday.
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Old Oct 19, 2012 | 07:30 PM
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Don't think it'll work, as assembly line engines were never "balanced". All your component weights could vary to an extent beyond your balance shop's tolerance and will need to be brought to the same weights. If you're gonna spend the $$$ to balance, do it right.
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Old Oct 20, 2012 | 12:06 AM
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Agreed. Each mass produced component is built within a weight spec. In order to balance it right, you will need your entire rotating assembley, including, rings and rod bearings.
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