Thread: What plugs to run?
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Old 09-13-2008, 03:03 PM
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Caprimaniac Caprimaniac is offline
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Join Date: Sep 2006
Location: Skjetten, No
Cobra Make, Engine: Unfortunataly ; none
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Thank you all.
As mentioned, the "temperature" of the plug is a matter.

I checked mine today: NGK FR5.

Which means temperature range 5 ( I guess...)
And Rickd, you use a colder plug, a 6'er.
I was thinking. Maybe a 7'er: ZFR7A or BK7E. That is 2 step colder than what I currently run. After trying 7's in a 3- litre V6 with 11:1 compression and 7200 RPM, I guess the same would work fine in my V8 as well, where the numbers are about the same. (NGK zez: for each engine modification or each 50-100 Hp, - go 1 step colder.)

And for the brand: NGK have never let me down; others have by braking or other misfortunes.

Regards
Rune/RSE
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