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6.0L equiped trucks/SUVs

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Old May 28, 2003 | 03:29 PM
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Default 6.0L equiped trucks/SUVs

Which trucks/SUVs are equiped with the LQ4 and/or LQ9 heads? Anyone know the casting numbers and locations for the LQ4 or LQ9 heads? TIA

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Old May 29, 2003 | 07:08 AM
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Default Re: 6.0L equiped trucks/SUVs

www.gmpowertrain.com
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Old May 29, 2003 | 10:49 PM
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Default Re: 6.0L equiped trucks/SUVs

I've only seen casting 317 on the 6 liter heads. This head is on both the LQ4 and the LQ9.
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Old May 29, 2003 | 10:55 PM
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Default Re: 6.0L equiped trucks/SUVs

where is the casting number written??
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Old May 31, 2003 | 02:48 PM
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Default Re: 6.0L equiped trucks/SUVs

front of the passenger side head. my lq9 heads are casting number 317 also richard...GM says they are two different numbers but i've only seen one. wonder if they forgot to change the number or something.
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Old Jun 10, 2003 | 12:05 PM
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Default Re: 6.0L equiped trucks/SUVs

What is the difference between 5.3 & 6.0 heads? Chamber size? Valve size?

Thanks
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