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Need Help Identifying LQ4 Block - Pics

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Old 03-06-2012, 12:09 AM
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Default Need Help Identifying LQ4 Block - Pics

Trying to determine what year engine I have, it was advertised as an 04 LQ4.

Looks like a G09:
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Looks like 0293 with a big 7:
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Looks like the serial A12203 1438:
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Anybody have ideas on what year engine this is??

Thanks!!!
Old 03-06-2012, 12:31 AM
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Does it not have 6.0L on the front or back of the block? Also what heads are on it?
Old 03-06-2012, 01:17 AM
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Looks like the uber-rare G09 7 liter...
Old 03-06-2012, 01:33 AM
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hmmm interesting.
Old 03-06-2012, 07:01 AM
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Cool what's it out of. Big block?
Old 03-06-2012, 09:35 AM
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what's on the front right side?
Old 03-06-2012, 09:46 AM
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How about the 8 diget casting/part #?
Old 03-06-2012, 10:59 AM
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Originally Posted by BlackGMC
Does it not have 6.0L on the front or back of the block? Also what heads are on it?
Yes, front right side said 6.0.
Originally Posted by AKlowriderZ71
Looks like the uber-rare G09 7 liter...
I wish... lol
Originally Posted by Nflddog1000
Cool what's it out of. Big block?
Supposed to be a 2004 Chevy 2500, no big block, its a 6 liter.
Originally Posted by Tootall
what's on the front right side?
Originally Posted by TXSZ66AVLANCHE
How about the 8 diget casting/part #?
I ran that (dont have it with me) and it said a 99-04 Lq4/lq9 block... I am just trying to ensure it is an 04 block because that is what it was advertised as, and would mean that it has better rods, coating on piston, and floating wrist pin.
Old 03-06-2012, 11:06 AM
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If the heads are off see if the rear most head bolt holes are the same length as one in the middle.
Old 03-06-2012, 05:20 PM
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Originally Posted by Atomic
If the heads are off see if the rear most head bolt holes are the same length as one in the middle.
yup the 99-03 had the longer bolts the 04+ have all short ones


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