GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

How to tell if its a LQ9 or LQ4

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Old 01-10-2006 | 06:00 PM
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Originally Posted by FogleMotorsports
take the plugs out and shine a light down in there first and see if you can see the pistons
Do that!!!
Old 01-10-2006 | 10:00 PM
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i think ima go by tomorrow and see if he'll let me check it out again, i think i know what im looking for, so hopefully i'll see a flat piston, he said he ordered them and they are from escalades, he wasnt sure what ''LQ4'' and ''LQ9'' were but he just said he ordered 3 brand new 6.0 engines that are supposed to be in escalades, so im sure there LQ9's but i just want to be sure
Old 01-10-2006 | 11:02 PM
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Originally Posted by dry_kill
i think ima go by tomorrow and see if he'll let me check it out again, i think i know what im looking for, so hopefully i'll see a flat piston, he said he ordered them and they are from escalades, he wasnt sure what ''LQ4'' and ''LQ9'' were but he just said he ordered 3 brand new 6.0 engines that are supposed to be in escalades, so im sure there LQ9's but i just want to be sure
See if he has the VIN of the trucks they were taken from. Look at the 8th character of the VIN. If its a U its an LQ4. If its an N its an LQ9. But coming from an Escalade its probably an LQ9.
Old 01-10-2006 | 11:23 PM
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Originally Posted by dry_kill
i think ima go by tomorrow and see if he'll let me check it out again, i think i know what im looking for, so hopefully i'll see a flat piston, he said he ordered them and they are from escalades, he wasnt sure what ''LQ4'' and ''LQ9'' were but he just said he ordered 3 brand new 6.0 engines that are supposed to be in escalades, so im sure there LQ9's but i just want to be sure
LQ4s and LQ9s come in the escalade it doesnt mean anything cause its from an escalade. Im uploading the pics for you right now dry
Old 01-10-2006 | 11:25 PM
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Here they are man hopefully it helps

Old 01-11-2006 | 01:12 AM
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Originally Posted by 1slow01Z71
LQ4s and LQ9s come in the escalade it doesnt mean anything cause its from an escalade. Im uploading the pics for you right now dry
If it comes in an Escalade, its a 345hp 380 lb/ft LQ9, they never offered the LQ4 300 hp 360 lb/ft LQ4 in an Escalade.

peace
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Old 01-11-2006 | 03:39 AM
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It was the 315hp variant that found its way into the escalades. When I was looking fo rmy motor on car-part.com there were a few LQ4 engines out of escalades mainly 02 models that I noticed. All the 05s and up come with the LQ9 now though. He will find out when he pulls the plug.
Old 01-11-2006 | 06:56 AM
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Originally Posted by 1slow01Z71
It was the 315hp variant that found its way into the escalades. When I was looking fo rmy motor on car-part.com there were a few LQ4 engines out of escalades mainly 02 models that I noticed. All the 05s and up come with the LQ9 now though. He will find out when he pulls the plug.
Nope, only LQ9s in Escaldes. Denalis and C3s have 325 hp LQ4s.
Old 01-11-2006 | 10:31 AM
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Originally Posted by 1slow01Z71
Here they are man hopefully it helps

Alright thx man, so the LQ9 is on the left correct? And also I dunno if this helps or not but he said the engines were out of 03 escalades and up
Old 01-11-2006 | 10:48 AM
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LQ9=flat and on the left
LQ4=dished and on the right.
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