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Old 08-08-2008 | 02:11 PM
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From: Deale,Md.
Default What Plugs for 454
Sorry for such a dumb question

One is a original 330hp bout 600hrs and new Edelbrock.
The other is a newer 385hp??? and same new carb.

Thanks, Larry
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Old 08-08-2008 | 02:43 PM
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mr45t
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Old 08-08-2008 | 03:02 PM
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AC MR43T or R43TS
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Old 08-08-2008 | 03:37 PM
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AC MR43T or NGK BR6fs
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Old 08-08-2008 | 04:14 PM
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Originally Posted by JJONES
mr45t
Might be a little too hot for sustained high RPM operation.
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Old 08-08-2008 | 04:58 PM
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NGK BR 6 FS !

I ran them in 454 Mag ,and never had a problem.
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Old 08-08-2008 | 05:25 PM
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Originally Posted by daredevil
NGK BR 6 FS !

I ran them in 454 Mag ,and never had a problem.
I agree...best choice.


Get a little tube of anti-seize lube and lightly grease the threads. You will be happy whne you change them next time.

Cheap insurance that works.
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Old 08-08-2008 | 05:56 PM
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Huh! Sounds like me, for the rest of the season I am running one 330, one 365.
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Old 08-10-2008 | 06:27 PM
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Originally Posted by PJDiesel
Huh! Sounds like me, for the rest of the season I am running one 330, one 365.
Does it want to go around in circles?
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