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Old 05-18-2006, 05:28 PM   #1
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Question Plugs
How often do you guys change your spark plugs. Also whats recomended for 502 efi gen 6 Thanks.
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Old 05-18-2006, 05:29 PM   #2
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Re: Plugs
once a year for me.
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Old 05-18-2006, 06:48 PM   #3
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Re: Plugs
in most cases it should be at start of season after firing up and burning off the fogging oil, in the case of the 496 with platnum plugs 85 - 100 hrs is what merc recomends
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Old 05-19-2006, 01:38 AM   #4
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Re: Plugs
Delco mr43t's is what I always used in mine. 100 hours or so is probably ok.
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Old 05-19-2006, 07:31 AM   #5
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Re: Plugs
Quote:
Originally Posted by BADKACHINA
Delco mr43t's is what I always used in mine. 100 hours or so is probably ok.

thats way too many hrs for those plugs
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Old 05-19-2006, 05:37 PM   #6
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Re: Plugs
MR43T is what you need. I change mine once a year, I have a 500efi.
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