spark plugs

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Mike Anderson
Posts: 296
Joined: Sat Jun 16, 2007 9:24 am
Vintage Karting items owned: SAE karts (2)
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spark plugs

Post by Mike Anderson » Thu Jan 05, 2012 8:21 pm

Hi All,
I have a quick question. What plugs are being used in the Mac's now a days. I recently have used the Autolite 262 and411 plugs which were the updated A-901 and ae-901 but the 262 is no longer listed. Does anyone have a substitute which is working for them?
Thanks Mike Anderson (317)729-2418 fleagle14@embarqmail.com
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ted johnson
Posts: 1685
Joined: Fri Jun 15, 2007 7:59 am

Re: spark plugs

Post by ted johnson » Thu Jan 05, 2012 9:19 pm

Mike, Ron and I have had exceptional luck with NGK. The B7S is a hotter 3/8" reach, the B7HS is the hotter 1/2". These are gas plugs. The B8S, B9S, B8HS and B9HS are the corresponding alky plugs. The "H" denotes the 1/2" reach. The higher the number, the colder. Hope this helps. Ted
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Mike Anderson
Posts: 296
Joined: Sat Jun 16, 2007 9:24 am
Vintage Karting items owned: SAE karts (2)
Rathman xterminator (3)
margay cheetah dual (1)
Blackstone Special (1)
User Agreement: Yes

Re: spark plugs

Post by Mike Anderson » Fri Jan 06, 2012 6:43 am

Hi Ted,
Thanks for the quick response. Hope you had a great holiday.
Later Mike
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Rob Voska
Posts: 1650
Joined: Fri Jun 15, 2007 9:04 am

Re: spark plugs

Post by Rob Voska » Fri Jan 06, 2012 7:38 am

Been using the 411's with alky. Should install a hoter plug for flushing as it seems to foul a 411.
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ted johnson
Posts: 1685
Joined: Fri Jun 15, 2007 7:59 am

Re: spark plugs

Post by ted johnson » Fri Jan 06, 2012 9:05 am

Thanks, Mike. The Holidays were warm and very relaxed. Hope (maybe) to see you and Rob at TBO. Gotta get some hours on that Nike! TJ
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