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who 5.3 has the most milage

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Old 06-27-2011, 10:39 PM
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I got 235K on my 02 5.3 - still going.
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Old 06-27-2011, 11:21 PM
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Pulled one out of a buddies truck at 300k due to a lifter coming apart but other than that it ran like a champ..
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Old 06-29-2011, 12:53 PM
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260k+ On My second truck both 5.3's, I've replaced every accessory, suspension, steering and brake part in the past 8 months.... but never pulled a valve cover or dropped tranny on it. The truck still drives like new, w/ the exception on the 22's and the slow windows lol
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Old 06-30-2011, 12:53 AM
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x2 on the slow windows, and the rust... errrr 02' with 119,000 just getting broken in
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Old 07-01-2011, 06:56 AM
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Just clicked over 247,000 miles on my way to work today. Runs strong and looks great!
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Old 07-01-2011, 07:04 AM
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245,563 runs great
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Old 07-01-2011, 11:05 AM
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I have a little over 250K, runs low 15s holds 60 PSI of oil pressure at 75 MPH. Original 5.3 untouched, original 4l60E (vette servo at 168K) and on the 3rd 10 bolt lol.
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Old 07-01-2011, 11:13 AM
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Originally Posted by Kemble
I have a little over 250K, runs low 15s holds 60 PSI of oil pressure at 75 MPH. Original 5.3 untouched, original 4l60E (vette servo at 168K) and on the 3rd 10 bolt lol.
3rd 10 bolt? What'd you do to the first two?
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Old 07-02-2011, 09:25 PM
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260k on an 01 and runs great. I did just have to put all new injectors (3 failed at same time, maybe bought some bad gas?) and it uses a quart of oil between changes. Put an 06 tranny in around 200k I think.
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Old 07-02-2011, 10:06 PM
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Originally Posted by gavin2005
i did some work on a 99 silverado z71 for a customer a while back and it was showing 430,xxx.he swears thats the original motor and its never been touched.he said he bought the truck new and hes put 1 tranny in it and i only put a power steering hose on it.i can beleave that.a 5.3 is tuff

Just one tranny? For real?
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