LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Question on best spark plugs

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Old 04-22-2006 | 06:37 PM
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Question Question on best spark plugs

Car again is the 94 Z28 350 LT-1

Some mod's

What Brand and part number

thanks in advance

Michael "Thumper"
Old 04-23-2006 | 03:28 PM
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I use the ngk tr55. I know a lot of other people use those too.
Old 04-23-2006 | 03:33 PM
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I cant stress this enough, use some brand new factory A/C delco plugs!!!!!
Old 04-23-2006 | 03:34 PM
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factory plugs are ok too, they will last longer than ngk or most of the other brands
Old 04-23-2006 | 03:51 PM
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ngk for a modded engine..if it stock bolt ons i say acdelcos..stay away from rapidfires
Old 04-23-2006 | 04:03 PM
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I always here good things about the Autolites, even from engine builders. And there cheap to!
Old 04-23-2006 | 05:52 PM
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ngk here.




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