Vin decoded
http://service.gm.com/dealerworld/vi.../vincard07.pdf
They list the 8th letter as a c is a 5.3 in a car and a 4.8 in a truck. I am not exactly sure what it's out of. I called a dealer and gave them all 9 digits on the back of the block and they said 2007 5.3 Yukon. Can someone help me sleep tonight. Code is C7R217785
also it has 799 heads and is DBW
it has flat top pistons but i read that all 2007 and later motors do.
Last edited by sandeggo; Dec 18, 2010 at 08:57 PM.
If it was from a car it would have a transverse bell housing and aluminum block.
If it has a strandard bell housing pattern and a truck intake, I see an 07 8th digit c as a truck 4.8.
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