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What engine is this? Photo ID

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Old Jul 13, 2009 | 04:58 PM
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Question What engine is this? Photo ID

The owner is going to get me the head casting number in the morning, but he claims it cam from a 2006-7 SSR. Can anyone confirm or disprove this by this pic?

Thanks guys!!
Attached Thumbnails What engine is this? Photo ID-ls2.jpg  
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Old Jul 13, 2009 | 05:09 PM
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looks like l33, or l76
it has 90mm tb,
so if it has 799 or 243 casting its a cathdral port 4.8 or 5.3
if casting is 823 or 4 digit casting( i forget the exact numbers) its a l76/l92 heads 6.0 iron engine
it is def. gen IV 2006+
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Old Jul 13, 2009 | 05:11 PM
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the wpump looks diff. because it may be equipped with afm and/or phaser cam vvt sproket
it is from truck/suv
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Old Jul 13, 2009 | 05:12 PM
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Originally Posted by NemeSS
looks like l33, or l76
it has 90mm tb,
so if it has 799 or 243 casting its a cathdral port 4.8 or 5.3
if casting is 823 or 4 digit casting( i forget the exact numbers) its a l76/l92 heads 6.0 iron engine
it is def. gen IV 2006+

Impressive Neme! That is an area I am not good at....casting numbers and which is which. Never paid much attention to that. But, I see you do
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Old Jul 13, 2009 | 05:14 PM
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Looks a lot like the 5.3 in my 07 Avalanche just cleaner
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Old Jul 13, 2009 | 05:35 PM
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The guy just called me, the heads are 243's.

I thought those are LS2 heads???

Thanks guys!!
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Old Jul 13, 2009 | 06:36 PM
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That would be a 2007+ engine...I'd say 5.3...And you could look at the TB connector...wether or not it is a 6 or 8pin...6 pin 2007 and I believe it changed to 8 pin in 08...

Last edited by Petraszewsky; Jul 13, 2009 at 09:22 PM.
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Old Jul 13, 2009 | 09:19 PM
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My question is...where is the oil cap?? And why is it not on the engine, and how long has it not been on the engine....AND....what is in the oil pan now???
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Old Jul 14, 2009 | 12:19 PM
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Originally Posted by Ford_Assassin
The guy just called me, the heads are 243's.

I thought those are LS2 heads???

Thanks guys!!
243 and 799 are ls2 heads
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Old Jul 14, 2009 | 12:23 PM
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i wanna say it came from a truck, just from the manifold. aside fromt hat, im useless, lol. listen to nemeSS. sounds like he knows his **** with all the casting numbers
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Old Jul 14, 2009 | 12:24 PM
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Originally Posted by NemeSS
243 and 799 are ls2 heads
So 243 LS2 heads came on '07+ 5.3's?
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Old Jul 14, 2009 | 12:48 PM
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IT almost looks like a cast iron block, but is very hard to tell in the pictures. It has the same mount as a truck or SUV and I'm not sure whether the SSR shared the same engine mounts. If it is an iron block it's definitely not from an SSR as these only came with the L33(aluminum 5.3) or LS2(aluminum 6.0). Both of these engines have the 243 or 799 cylinder heads so that is not a good means of identification. I agree that it is 06-up because it has the new style fuel rails not the old plastic log type.

Have the seller take a picture of the back of the block where the size is cast into it. This will give you a shot of the block material and whether it's marked 4.8/5.3 or 6.0 will help to further I.D. it.
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Old Jul 14, 2009 | 12:53 PM
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Originally Posted by Ford_Assassin
So 243 LS2 heads came on '07+ 5.3's?
yes, same casting used. regular steel valves
it should be marked with a paint dab to deignate the displacement
4.8/5.3
should a have a small paint mark next to the engine size
either in front or rear block
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Old Jul 14, 2009 | 12:56 PM
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Originally Posted by Ford_Assassin
So 243 LS2 heads came on '07+ 5.3's?
Yes, that is correct. All of the '07-up 4.8/5.3 and the L33 H.O. 5.3(04-up) have 243/799 heads.
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Old Jul 14, 2009 | 01:06 PM
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Confirmed, its a iron block 5.3.

Thanks guys!!
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