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Lq4 or lq9

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Old 03-07-2011, 08:45 AM
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Default Lq4 or lq9
Hey new here on board, how can I tell which 6.0 I have lq4 or lq9? Ill be doing an a body swap.
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Old 03-07-2011, 09:12 AM
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this has been brough up many times.. search is your friend
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Old 03-07-2011, 11:51 AM
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Look at the pistons through spark plug hole
LQ4 dished
LQ9 Flat
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Old 03-07-2011, 12:59 PM
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Also look at the flex plate if its flat its most likely and LQ4 if its dished its a LQ9. The LQ9 never came with a flat flex plate. Some LQ4 had the dished though.

Only way to be 100% is look at the pistons.
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Old 03-07-2011, 02:15 PM
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No disrespect to the OP.

Aren't those 2 engines so similiar that is 6 of one & 1/2 dozen of another.
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Old 03-07-2011, 02:19 PM
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Originally Posted by N2OBaby
No disrespect to the OP.

Aren't those 2 engines so similar that is 6 of one & 1/2 dozen of another.
Yes and no the CR being higher in the LQ9 is more "desirable" as its higher HP.

But everything's basically the same save for pistons and rods.
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Old 03-07-2011, 05:12 PM
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Yup, same everything except pistons/rods which are coated flattop full floater pins from a LS2
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Old 03-11-2011, 11:21 AM
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Ok thanks
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