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

heads/cam guys inside

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Old Jun 11, 2006 | 07:01 PM
  #1  
speed_demon24's Avatar
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From: Ocala, Florida
heads/cam guys inside

What spark plugs are you running? I'm just running the stock heat range autolite 106's, should I be running 1 step colder than stock, or the stock heat range?
Old Jun 11, 2006 | 08:26 PM
  #2  
Slowmofo's Avatar
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Re: heads/cam guys inside

NGK TR55's right now

Last edited by Slowmofo; Jun 12, 2006 at 04:57 AM.
Old Jun 11, 2006 | 10:04 PM
  #3  
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Re: heads/cam guys inside

TR55s here using the stock gap.
Old Jun 12, 2006 | 07:56 AM
  #4  
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Re: heads/cam guys inside

If you want to stick with the Autolites go to a 104, otherwise as said the NGK TR55 is good, TR6 if you really pushed the compression up and drive in hot conditions might be a good idea.
Old Jun 12, 2006 | 08:03 AM
  #5  
WhyHelloOfficer's Avatar
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From: Gainesville, FL
Re: heads/cam guys inside

Originally Posted by Slowmofo
NGK TR55's right now
Running the TR55s now on my cammed car.. I'll be going with the TR6s when the kit goes on
Old Jun 12, 2006 | 10:31 AM
  #6  
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Re: heads/cam guys inside

Its related to heads.. I know you can't use TR series for AFR heads for example.
Old Jun 12, 2006 | 01:09 PM
  #7  
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Re: heads/cam guys inside

Originally Posted by big dave
TR55s here using the stock gap.
same
Old Jun 12, 2006 | 01:41 PM
  #8  
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Re: heads/cam guys inside

Originally Posted by James Montigny
same
Here too
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