High Mile LS-1s ???
these are extremely strong motors and with the proper care will last a long time. i saw a motor down at eastside over the summer that had almost 130k on it and spun a rod bearing. car was beaten on since day one, but was maintained. the most important thing with a car especially a high mileage one is maintence maintence maintence! im sure the drivetrain could use a rebuild, but it depends on where u want to go with it. my bottom end is staying stock until 100k and then im doing a forged motor, maybe earlier maybe later depends on where i go with it in the next 3 years and also my financial standing. best of luck to ya 
Erik
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My buddy's 97 C5 coupe has 81k when he bought it and went til he sold it with 125k without one issue.
LS1s, when cared for, will last a good amount of time.
http://www.cars.com/search/used/ms/d...osite&cid=4976




