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5.3 crank in 6.0?

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Old 07-20-2018, 08:29 AM
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Default 5.3 crank in 6.0?

I have a 6.0 gen 4 with a bent crank snout, I have another good gen 4 5.3 crank. I am hoping to use the 5.3 crank in the 6.0 engine but I have been reading that the balance is different. I looked up some part numbers for reman crankshafts at rock auto. Both engines pop up as the exact same part number for reman cranks? So would the assembly need to be balanced or are they the exact same? Thanks

Last edited by field57; 07-20-2018 at 08:38 AM.
Old 07-20-2018, 08:58 AM
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Old 07-20-2018, 09:29 AM
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Originally Posted by field57
I have a 6.0 gen 4 with a bent crank snout, I have another good gen 4 5.3 crank. I am hoping to use the 5.3 crank in the 6.0 engine but I have been reading that the balance is different. I looked up some part numbers for reman crankshafts at rock auto. Both engines pop up as the exact same part number for reman cranks? So would the assembly need to be balanced or are they the exact same? Thanks
The bobweight difference between a 5.3L and 6.0L are enough to need a rebalance.
Old 07-21-2018, 08:43 AM
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Originally Posted by KCS

The bobweight difference between a 5.3L and 6.0L are enough to need a rebalance.
ok thank you
Old 12-14-2018, 12:35 AM
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Originally Posted by KCS

The bobweight difference between a 5.3L and 6.0L are enough to need a rebalance.
how about from a 6.0 to a 6.2l? I'm not sure if my crank was from a 6.0, or a 6.2, however, it did have a throw out bearing in it with a 58x reluctor, which tells me either ls2 crank or ls3. However I did not balance it for ls3 flat top pistons. Will I be okay?
Old 12-14-2018, 07:12 AM
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Originally Posted by Lsandlteditor
how about from a 6.0 to a 6.2l? I'm not sure if my crank was from a 6.0, or a 6.2, however, it did have a throw out bearing in it with a 58x reluctor, which tells me either ls2 crank or ls3. However I did not balance it for ls3 flat top pistons. Will I be okay?
I would balance it.



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