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Old 04-11-2018, 07:30 PM   #1
willy12844
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Join Date: Jul 2015
Location: Gilberts, illinois
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Spark plug cap

I’m putting in a new set of ac Delco r44t plums in my 454 bbc. Would someone let me know what the gap setting is?

Thank you
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Old 04-11-2018, 07:57 PM   #2
Sweeet67
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Re: Spark plug cap

Points or HEI?
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Old 04-11-2018, 08:20 PM   #3
willy12844
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Re: Spark plug cap

HEI I’m sorry I forgot to mention that.
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Old 04-11-2018, 08:22 PM   #4
willy12844
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Re: Spark plug cap

HEI I’m sorry I forgot to mention HEI ignition.;
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Old 04-11-2018, 09:11 PM   #5
Sweeet67
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Re: Spark plug cap

It was recommended to me to use 45-55. I just set mine at 48ish and it runs great!
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Old 04-11-2018, 09:44 PM   #6
68 P.O.S.
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Re: Spark plug cap

45 is the standard gap
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