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spark plugs 4 dart iron eagle heads

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Old 02-15-2006, 12:07 PM   #1
JayMoneyDubs
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Default spark plugs 4 dart iron eagle heads

what spark plugs are you guys running in your dart iron eagle heads?? they say you need a 3/4" reach on the plug.. the heads are for a small block 350.
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Old 02-15-2006, 12:41 PM   #2
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My Dart Iron Eagle heads require a .460" reach, tapered seat spark plug. I am using either NGK UR4 or UR6.

Steve
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Old 02-15-2006, 12:52 PM   #3
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i see ....thank you very much!
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Old 02-15-2006, 01:03 PM   #4
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Quote:
Originally Posted by 632C2
My Dart Iron Eagle heads require a .460" reach, tapered seat spark plug. I am using either NGK UR4 or UR6.

Steve


I use the Autolite AR133 4 bux a pop..
Steve
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Old 02-15-2006, 01:23 PM   #5
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I tried the race plugs they reccomended but swapped to regular '80 Vette Autolite OEM replacements because they stay cleaner longer.

The race plugs are a little colder than OEM and have a cut back side electrode but I did not get a performance increase.

-Mark.
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