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91 3.4 Lumina Spark Plug Gap Setting
comet240
03-30-2007, 01:23 PM
what is the gap setting for a 91 3.4 lumina? i just bought ACdeclo copper plugs
Blue Bowtie
04-01-2007, 08:42 AM
As always, the proper gap should be listed on the VECI label in the engine compartment.
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