11-14-2005, 11:51 PM | #1 |
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ngk plugs
Those running NGK's what plug number are you running mild built 350 with HEI and power coil?
Thanks I am looking at running the UR4(6630)
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1968 c10 lowered 3" 4" 355/Th400 built by Hatfield racing in joplin MO |
11-15-2005, 08:46 AM | #2 |
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Re: ngk plugs
anyone
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1968 c10 lowered 3" 4" 355/Th400 built by Hatfield racing in joplin MO |
11-15-2005, 09:22 AM | #3 |
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Re: ngk plugs
YR5 's 7052 or 7062 i think
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1971 LWB Chevy C-10 350/350 3:42 eaton |
11-15-2005, 12:19 PM | #4 |
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Re: ngk plugs
they list the 7052 as heavy duty and the 6630 as light duty wonder what the difference is?
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1968 c10 lowered 3" 4" 355/Th400 built by Hatfield racing in joplin MO |
11-15-2005, 12:49 PM | #5 |
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Re: ngk plugs
Correct me if I am wrong, but I think the duty is the heat discharge rating of the plug.....isn't that wright?
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11-15-2005, 01:07 PM | #6 |
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Re: ngk plugs
I dont know they ask like 5.7 light duty or 5.7 heavy duty. Just wondering if by heavy duty they mean towing and such and light duty as daily driver to work and stuff.
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1968 c10 lowered 3" 4" 355/Th400 built by Hatfield racing in joplin MO |
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