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What is the spark plug gap on a 1999 Pontiac Firebird 3.8 v-6?
Updated: 10/20/2022
Wiki User
∙ 13y agoBest Answer
It should be 45 thousands ( .045 )
All GM 3.8 V-6 engines uses .060
All GM 3.8 V-6 engines uses .060
Wiki User
∙ 13y agoThis answer is:
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