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What gap do I use on my plugs??????Please help

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Old Jun 29, 2010 | 03:46 PM
  #1  
Minnesota MR's Avatar
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What gap do I use on my plugs??????Please help

I have searched with no avail on a setup close to mine.


I have a E85 setup with all the supporting mods, 272 cams, fp green and all the rest of the bolt on goodies. I am running 400 whp and wanted collective input as to what the gap could or shoould be. I am tuned at 28psi What gap to use????? And plug recommendations are welcome as well.
All help is very much appreciated. Thanks in advance, Rick
Old Jun 29, 2010 | 03:50 PM
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look at my mods...0.22 on ngk:
Old Jun 29, 2010 | 03:51 PM
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Originally Posted by dahuii77
look at my mods...0.22 on ngk:
.22 im around the same as OP with .28 NGK
Old Jun 29, 2010 | 04:28 PM
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Ask English Racing on this forum AKA Johnbradley.He will tell you the right gap for your plugs.
Old Jun 29, 2010 | 05:35 PM
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Don't bother Aaron with a spark plug question lord knows I have too many times He'll tell you .020 though I ran .022 with no break-up to 33psi and am now running .020 just cuz. All on a Sparktech though. It's going to be setup-dependant thats why I think the .020 is probably a good rule of thumb because not everyone is running a COP.
Old Jun 30, 2010 | 01:01 AM
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Originally Posted by boostedwrx
Don't bother Aaron with a spark plug question lord knows I have too many times He'll tell you .020 though I ran .022 with no break-up to 33psi and am now running .020 just cuz. All on a Sparktech though. It's going to be setup-dependant thats why I think the .020 is probably a good rule of thumb because not everyone is running a COP.
forgot that tid bit of info im running a CDI COP. sorry im useless on this one
Old Jun 30, 2010 | 01:19 AM
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I'm running E85, about 27 psi with sparktech non cdi ignition. I gap mine to .029-.030.
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