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How many miles are the 5.3's good for??

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Old Feb 16, 2012 | 05:13 PM
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Default How many miles are the 5.3's good for??
Hey guys, I'm lookin at getting a 2003 GMC Sierra with the 5.3 and it has 189k on it. Would it be wise to get it with those miles or look for something else?
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Old Feb 16, 2012 | 05:15 PM
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Personally I would look for lower miles.

But my dad has about 5 5.3 work trucks with 250K+ miles, one i think even has 300k on it.
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Old Feb 16, 2012 | 06:19 PM
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If you're planning on driving it like a normal person mileage wouldn't scare me. If you plan on making power out of the 5.3 for example, H/C or NX/boost, Looks for a lower mileage IMO
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Old Feb 16, 2012 | 07:40 PM
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Lemme put it like this

5.3 in my 04 Avalanche 173K RIP
5.3 in Amanda's 03 Suburban 223K RIP
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Old Feb 16, 2012 | 07:48 PM
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Remember though, junkyard 5.3's are cheap. If the price is right, go for it.
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Old Feb 16, 2012 | 07:52 PM
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or better yet, talk the guy down a bit and drop a 6.0 into it
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Old Feb 16, 2012 | 07:54 PM
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It's all about how well it was taken care of before and your plans with it. Lot's of vehicles had the 5.3 so they are pretty easy to come by
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Old Feb 16, 2012 | 07:56 PM
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Remember though, sometimes a junk yard engine is umm junk
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Old Feb 16, 2012 | 08:24 PM
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The one here in anchorage will guarantee their parts. They even have some heads tanked and machined and on the shelf for purchase.
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Old Feb 16, 2012 | 09:16 PM
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Got rid of my 99 rcsb 4x4 with 233,xxx hard hard miles!! Still running to this day I traded it 4 years ago!
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