what is high miles on a Ls1
04-30-2012, 10:24 AM
#2
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Not really any way to answer this. Mileage isn't the problem, it's wear. I engine with 50k miles could easily be in worse shape than a motor with 100K. Just depends on where/how it was driven, how it was maintained, was it ever sprayed or boosted, did someone tune it that didn't know what they were doing, etc..
04-30-2012, 10:47 AM
#3
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64,000 is nothing as long as it wasn't beaten to death. Many people here have cars woth over 150k miles.
04-30-2012, 11:52 AM
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My '98 Z28 has 160k+ miles and is all original and still runs strong! As long as it's not been abused and dogged without maintenance 60k miles definitely isn't something to scoff at!
04-30-2012, 01:03 PM
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64k is well below average, and doesn't even come close to fitting in the "high mileage" category for a 10 year old car.
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04-30-2012, 07:29 PM
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I picked mine up with around 65k on it almost 5 years ago, and I'm at 117k now and she runs great.
In fact, I'm just now thinking I want to get into some moreserious mods, with long tubes and a new torque converter.
In fact, I'm just now thinking I want to get into some moreserious mods, with long tubes and a new torque converter.
05-01-2012, 12:09 PM
#10
I pulled the 5.3L out of my yukon xl this winter due to a failing oil pump. The engine had 221,xxx miles on it. The cylinder walls still had cross hatches in them, I had the block honed and threw in a set of piston rings, lifters, oil pump, and timing chain. I REUSED 
the original rod and main bearings. They looked and mic'ed perfect. I have about 14,000 miles since the "rebuild" and have no doubt this truck will go 300,000 - 350,000 miles. These motors are beasts if you take care of them.
the original rod and main bearings. They looked and mic'ed perfect. I have about 14,000 miles since the "rebuild" and have no doubt this truck will go 300,000 - 350,000 miles. These motors are beasts if you take care of them.
05-01-2012, 08:39 PM
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lol, i have 54,xxx mile on mine now. If thats too many miles to get into it a couple times a month im in trouble.....lol.
I think you'll be ok as long as the motor is healthy for a motor with 64,xxx miles on it.
I think you'll be ok as long as the motor is healthy for a motor with 64,xxx miles on it.
05-02-2012, 12:03 PM
#18
my buddy has a 2001 ws6 with 160k he's been spraying it racing it for about a year now about to put a .609 lift cam and springs in it. if you do stuff right they will last its all in the tune
05-02-2012, 08:33 PM
#19
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64k is not high miles by any means, but it's been proven time and time again that higher mileage LS based motors 90k-100k+ are capable of taking some abuse. Just take a look into the Nitrous and Forced induction sections on here. I've seen quite a few guys pick up cheap, higher mileage, 5.3, 4.8, LS1, LQ4 shortblocks and spray or boost them to the moon and they're able to take the abuse quite well.
