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

how long did your opti last

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Old Mar 4, 2005 | 11:40 AM
  #16  
1-bad-z28's Avatar
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From: Hopkinsville KY
Re: how long did your opti last

about 110k
Old Mar 4, 2005 | 12:25 PM
  #17  
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Re: how long did your opti last

96k
Old Mar 4, 2005 | 12:27 PM
  #18  
Evil Eric's Avatar
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Re: how long did your opti last

Originally Posted by brandboZ28
What he said!
125k here also. on a sidenote, mine is powered by a MSD 6al, 40k miles with it + a cam swap and still going strong.
Old Mar 4, 2005 | 12:31 PM
  #19  
IXLR894Z28's Avatar
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Re: how long did your opti last

105,000 on the origional, 17,000 on the replacement.
Old Mar 4, 2005 | 12:37 PM
  #20  
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Re: how long did your opti last

111,000 and still going on mine, and I've had coolant leaking on mine for the past 6 months.
Old Mar 4, 2005 | 02:09 PM
  #21  
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Re: how long did your opti last

132k on the stocker afaik ::wood knock::
Old Mar 4, 2005 | 02:18 PM
  #22  
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From: Palm Bay, Fl
Re: how long did your opti last

90,000 on original and 12,000 so far on replacement. Original only had bad cap and rotor but I replaced the whole thing anyway since it wasn't too much more and I only wanted to do it once. Aside from the fact that the waterpump can leak directly into it, I really don't think they are nearly as bad as some people say they are.
Old Mar 4, 2005 | 02:42 PM
  #23  
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From: O'fallon, mo
Re: how long did your opti last

about 90k on it so far. i wash the motor atleast 6-7 times a year without covering anything up (except the ss airbox since its right on top) and i had a water pump go out once and i pulled the pump a second time to put an electric one in. im doing a cam swap now and i plan on putting the stocker back on.
Old Mar 4, 2005 | 04:10 PM
  #24  
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Talking Re: how long did your opti last

103 k and still going strong! I might change it this summer though. All the ignition problems I ever had were either the plugs or wires.
Old Mar 4, 2005 | 07:58 PM
  #25  
Bud M's Avatar
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Re: how long did your opti last

77k/9 yrs
Old Mar 4, 2005 | 08:21 PM
  #26  
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From: San Jose, CA
Re: how long did your opti last

105 and still going, but im doing a cam swap soon, think its a good idea to change the opti too?
Old Mar 4, 2005 | 08:52 PM
  #27  
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Re: how long did your opti last

119k, I replaced my intake manifold gasket but by then the oil leak had destroyed it.

On my second at 125K.

- Z28WannaB
Old Mar 4, 2005 | 09:31 PM
  #28  
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From: Kansas
Re: how long did your opti last

I replaced a working one at 65k so it wouldnt leave my stranded but the one I replaced only lasted 20k... figures.
Old Mar 4, 2005 | 10:27 PM
  #29  
OBE1 95Z28's Avatar
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From: San Diego, CA
Re: how long did your opti last

108K on the original and only replaced it as I was rebuilding the engine. I believe premature opti failures are due to waterpump leaks.
Old Mar 4, 2005 | 10:29 PM
  #30  
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From: Indianapolis, IN
Re: how long did your opti last

73k miles on the opti and the rest of the car.



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