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5.3 identifying help?

   
Old 11-01-2015, 03:34 PM
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Default 5.3 identifying help?
Got a motor today and not sure what year it is..... 5.3 as identified by looking through a spark plug home and seeing a dished piston, has 706 heads, black crank sensor, drive by wire throttle body

I have the etched numbers off of the heads, and still has paper tag on back of drivers head if that helps
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Old 11-01-2015, 03:38 PM
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Old 11-01-2015, 03:43 PM
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Old 11-01-2015, 03:43 PM
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Doubles
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Old 11-01-2015, 11:41 PM
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All the 4.8 are flat top pistons I believe so you must have a 5.3
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Old 11-04-2015, 09:41 AM
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Looks identical to my LM7 from an '04 Chevy pickup.
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Old 11-04-2015, 05:13 PM
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Definitely Gen III. Cam sensor is in the rear.

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Old 11-04-2015, 06:15 PM
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Looks like an 04-06 lm7 5.3 from a truck.
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