Header temps

Old 04-20-2011, 07:08 AM
  #1  
ssym
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JUNIOR BUILDER
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Join Date: Apr 2007
Location: West Palm Beach, Florida
Posts: 71
Default Header temps

Is there a good temperature for headers?

SBC 355, pump gas, 671 blower.

I run about 675*F 2 inches out of the aluminum head at idle.

Is this high? My underhood temps seem hot.

Is the temp something I can use to tune idle timing and mixture?

Plugs look good after a WOT pass.

I have new XFI fuel injection and more adjustability that I am used to.
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