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Old 03-23-2022, 08:09 PM
frankk frankk is offline
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Default Spark plugs

Which spark plugs are the preferred ones to use? Which brands to avoid and which ones are junk. The application is 302 sbc. Thanks Frank
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Old 03-23-2022, 08:33 PM
x33rs x33rs is offline
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9 times out of 10 I use Autolites. I think I have one car here left that might have AC Delco plugs but I started getting away from them years ago when they started conglomerating heat ranges, many went away, others hard to find, etc...

I've had the same set of Autolites in our 302 for 6 years. Great plug.

One other car here I use NGK in, which I also like.
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Old 03-23-2022, 08:57 PM
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----My engine builder uses nothing but Autolite!.....Bill S
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Old 03-23-2022, 10:23 PM
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Default Ngk

NGK works good for me.
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1967 Camaro SS 396/375 4K
2002 Camaro 35 Anniversay Z4C-WU8
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  #5  
Old 03-24-2022, 12:24 AM
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These days I use NGK on everything from my BBs to my 2-stroke Kawasakis.
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Old 03-24-2022, 01:44 AM
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Autolite in my 427.
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1969 Camaro RS/SS396 (427) 4 speed
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Old 03-24-2022, 06:16 PM
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I use NGK #5 for a good heat range on my 302,

Dave
67 Nova Boy
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Old 03-24-2022, 09:04 PM
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I use Holley's.
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Old 03-24-2022, 09:24 PM
earntaz earntaz is offline
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AC Delco Rapid Fire...
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