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Old 11-26-2009, 07:08 AM   #1
mreigie1
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LS1 Life span???

First of all happy thanksgiving to all. I have an 04' LS1 and just wondering if anyone knows if this engine have any known issues and what kind of mileage can I expect out of this powerplant which is "over maintained" in term of oil changes and I visit the rev limiter frequently. I know there are a many variables, just looking for "ball park" number. Thanks in advance...Mike
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Old 11-26-2009, 07:24 AM   #2
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I don't know the story behind it but I seen a C5 for sale at Carlisle this year with over 350,000 miles. They only wanted 10 grand for it. But that's the highest I've seen.
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2001 Torch Red Z06, AFR 205 heads, G5X3 114LSA, ATI Super Damper, LG Super Pro Long Tube Headers, No Cats, B&B Bullets, MGW Short Throw, HUD retrofit, Harland Sharp Roller Rockers, Pfadt engine and trans mount,

Old 11-26-2009, 08:25 AM   #3
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Well as I have always understood it, the LS1 is set up very conservatively for it it's architecture. Deep girdle 6 bolt main lightweight forged steel valves and a marginally low lift cam are only a few that I can think of.
From an automotive perspective the VORTEC series from 1999 and up got the Same block and heads with a slightly cheaper setup. All Ive heard is how tough and reliable the Vortec engines are.
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2002 EB ZO6- Doug Rippie Built A.R.E. Dry Sump 434 ci LS something..Wiseco 4.155 pistons,DTE 3.90 rear,RPM Stage V Transmision,Kooks 1 7/8 Headers, X pipe w/no cats, Borla Stingers, FAST-102/TPIS TB, Vararam .... 1320' 10.16@136 mph, 600RWHP,540RWTQ(E85), DRM Coilovers, T1 Sways, C6Z Brakes, Michelin PS Cup tires- 285/18 and 345/19 on 2009 Spyder Wheels.

Keep The C5's Alive!
Old 11-26-2009, 09:19 AM   #4
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If you drive these cars in a reasonable manner on the street, the sky is really the limit. I can tell you for certain that an LS1 with 93k on it will have virtually identical compression numbers to when it came off the assembly line if properly maintained. If you spend a lot of time near redline, expect that life to drop significantly. In a street driven car, I would guess you could go at least 250,000 miles without opening the engine. It is a robust power plant.
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Old 11-26-2009, 09:37 AM   #5
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I just recently broke a valve spring at around 99k miles. When I pulled the head off i did notice some pitting on a couple of the camshaft lobes, but nothing terible.
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Old 11-26-2009, 11:41 AM   #6
C5 Shep
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I have 180K miles on my 99 LS1 and have had no internal issues with the engine. I change the oil every 3500 miles and do not baby the car, I drive it hard most of the time. I have had to replace only the water pump and alternator. This has beed a great engine. I had it tuned at 100K miles and plesently surprised with the results. I just drove it from Texas to South Carloina yesterday and avereged 29mpg.

I have added an LS7 Z06 about a year ago and coming in December an LS3 GS. I am expecting to see the same performance endurance from them.
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Old 11-26-2009, 12:34 PM   #7
iburke
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If we find any one that has worn one out we'll let you know...
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I can't tell if I'm dealing well with life these days or I just don't give a shit any more.
Old 11-26-2009, 03:14 PM   #8
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Thumbs up! I'm convinced.

Thanks to all. I'll continue to flirt w/redline from time to time!!! Again Happy Thanksgiving to all....
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Old 11-27-2009, 08:41 AM   #9
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eng

Quote:
Originally Posted by mreigie1 View Post
Thanks to all. I'll continue to flirt w/redline from time to time!!! Again Happy Thanksgiving to all....
2001 181000 sounds like everything is loose when she is cold .... after warm up ..... happy engine.
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Old 11-27-2009, 10:00 AM   #10
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Quote:
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2001 181000 sounds like everything is loose when she is cold .... after warm up ..... happy engine.
Sounds like my wife....just not the 2001 part
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Old 11-27-2009, 01:05 PM   #11
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haha
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Old 11-27-2009, 06:02 PM   #12
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They generally have a long life span unless they commit suicide! My starter locked up in the garage at 37,000 miles and broke off a chunk of the block last year - GM replaced with new engine under Extended GMPP.
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Old 11-27-2009, 06:33 PM   #13
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Quote:
Originally Posted by alini View Post
Sounds like my wife....just not the 2001 part
Now that is funny just hope that she never reads this
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