LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

How long did your lt1 last?

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Old Jul 24, 2006 | 09:21 AM
  #1  
kaoticcamaross's Avatar
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From: Dallas/ Htown, Texas
How long did your lt1 last?

Just wondering how long everyones lt1 lasted before they had to rebuild it? I've got a 145k on mine and still running strong.
Old Jul 24, 2006 | 09:23 AM
  #2  
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Re: How long did your lt1 last?

Originally Posted by kaoticcamaross
Just wondering how long everyones lt1 lasted before they had to rebuild it? I've got a 145k on mine and still running strong.
141K, Times in sig in 90 degree weather
Old Jul 24, 2006 | 09:32 AM
  #3  
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Re: How long did your lt1 last?

88k miles, had a comp rocker nut come loose on me and let the valve hit the piston. I *might* have been able to save the motor as the piston only had a small nick in it, but I chose not to. My block is sitting in my garage awaiting a future build up after I decide to upgrade from my current 355 in several years.

Motor looked brand new inside.
Old Jul 24, 2006 | 09:43 AM
  #4  
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Re: How long did your lt1 last?

101K - spun a rod bearing, 100% stock.
Old Jul 24, 2006 | 10:22 AM
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Re: How long did your lt1 last?

42,000 broke crank in half. no power adders at all. no bolt ons.
Old Jul 24, 2006 | 10:44 AM
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Re: How long did your lt1 last?

178K *knocks on wood*
Old Jul 24, 2006 | 10:46 AM
  #7  
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Re: How long did your lt1 last?

Originally Posted by transam001
42,000 broke crank in half. no power adders at all. no bolt ons.
What!?! Very strange, I've never heard of that before. Did you buy the car used or new?

Mine had 153K IIRC.
Old Jul 24, 2006 | 10:49 AM
  #8  
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Re: How long did your lt1 last?

63k, also broke crank in half.
Old Jul 24, 2006 | 10:51 AM
  #9  
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From: Oklahoma
Re: How long did your lt1 last?

122k and still strong, previsously supercharged before I bought it(X-75,000mi) zero blow-by(so far, LOL)
Old Jul 24, 2006 | 11:26 AM
  #10  
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Re: How long did your lt1 last?

104K Had slight leak between #5 and 7 cylinders. Previous owner couldn't maintain a car if his life depended on it.
Old Jul 24, 2006 | 11:34 AM
  #11  
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Re: How long did your lt1 last?

I am at 167k miles and it pulls just as hard as when i first got it a while back. mid 13's with the setup in sig
Old Jul 24, 2006 | 12:10 PM
  #12  
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From: Chicago Suburbs
Re: How long did your lt1 last?

161 and counting
Old Jul 24, 2006 | 12:14 PM
  #13  
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Re: How long did your lt1 last?

i drove it to high 13's bone stock at 133k...CAI and exhaust at 145k still running hard
Old Jul 24, 2006 | 01:04 PM
  #14  
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From: Lantana, TX
Re: How long did your lt1 last?

I still can't get over two people breaking the crank in half Other than extreme set ups I don't ever hear that happening.
Old Jul 24, 2006 | 03:35 PM
  #15  
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Re: How long did your lt1 last?

I'm at 124K miles still going strong. KNOCK ON WOOD!!



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