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Old 03-27-2010, 10:15 PM   #1
bean
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what spark plug to use?

Just bought a 72 lwb. The previous owner added hei to the 350. Question is do you run the stock plug with a wider gap or is there a better plug for this application? What are you guys doing?
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Old 03-27-2010, 10:45 PM   #2
70cst
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Re: what spark plug to use?

http://67-72chevytrucks.com/vboard/s...d.php?t=374827

This might be of help...
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Last edited by 70cst; 03-27-2010 at 10:47 PM.
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Old 03-27-2010, 11:47 PM   #3
67ss&99ss
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Re: what spark plug to use?

NGK with it gapped to .045"
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Old 03-27-2010, 11:50 PM   #4
'72customdeluxe
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Re: what spark plug to use?

yep, i run #6630 ngk's at .045
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Old 03-27-2010, 11:52 PM   #5
rio
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Re: what spark plug to use?

E3s are the best!!!!
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Old 03-28-2010, 02:29 AM   #6
ZombieWeinerDog
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Re: what spark plug to use?

Ac delco in my 327. my ford has 7.3 liters of pure diesel power.
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Old 03-28-2010, 03:04 AM   #7
darthwall
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Re: what spark plug to use?

I have found that alot of plugs run the same just for the most part run the same plugs and gap
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Old 03-28-2010, 02:46 PM   #8
Tkmadone
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Re: what spark plug to use?

Just don't buy these:

http://www.curezone.org/forums/am.asp?i=1063782
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Old 03-28-2010, 04:40 PM   #9
Scott Webster
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Re: what spark plug to use?

Quote:
Originally Posted by Tkmadone View Post
Wow - almost as bad as the wallyworld video I saw in apprenticeship class. Look for the Made in America label whenever you can.
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