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Old 03-18-2006, 09:03 PM   #1
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Default Trouble Searching for spark plugs

I went to most auto parts stores in Red Deer today, looking for plugs that are one heat range colder than stock...
The Dealers didnt have even a part number for one heat range colder from OEM.
I couldnt find anyone with the NGK'* one range colder either...no one has the part numbers..
help?
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Old 03-18-2006, 09:05 PM   #2
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Look at ZZP'* site for plugs and their numbers. Lots of places have Autolite'*. But I like my NGK TR55 plugs. They should be able to find them by TR55. Autolites will be a 103 or something in that range.
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Old 03-18-2006, 09:08 PM   #3
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Hmm, ZZP used to have more info about heat ranges...
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Old 03-18-2006, 09:36 PM   #4
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parts stores prolly dont even know about heat ranges
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Old 03-18-2006, 10:08 PM   #5
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NGK V-Power TR55'* are one heatrange colder. Just order them. Do you have NAPA there?
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Old 03-19-2006, 12:28 AM   #6
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I am running NGK V power T55s Always have, even in that old SSEi of mine..
I thought the TR65 would of been one heat range colder...beacause the TR55 is the EXACT cross ref in the Delco book, 46-401 Delco plug, stock heat range.
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Old 03-19-2006, 12:29 AM   #7
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Really? I think TR6 is the next step cooler.
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Old 03-19-2006, 12:31 AM   #8
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It is
5-6 is heat range, last digit usually pertains to gap, or so it says in the NGK application book
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Old 03-19-2006, 01:31 AM   #9
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TR6 is TWO heatranges colder.

TR55 is ONE heatrange colder, but directly crosses because NGK doesn't have an OEM heatrange replacment.

http://www.bonnevilleclub.com/forum/...ic.php?t=21336
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Old 03-19-2006, 01:42 AM   #10
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I see the light now Bill.
I wonder If I should try for the TR6 then.
It needs something
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