Spark plug gap? 97 d90 Supercharged - Defender Source
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Old October 14th, 2011, 04:23 PM
walkinginmemphis's Avatar
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1997/D-90 LE
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Location: Austin, TX
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Spark plug gap? 97 d90 Supercharged

I have a 97 D90 LE with a supercharger. I need to change out the spark plugs and I understand that the gaps may need to be smaller due to the boosting. Any recommendations?
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Old October 14th, 2011, 05:54 PM
tjfslaughter's Avatar
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Send an email to Jorge. He will help you out
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Old October 14th, 2011, 07:57 PM
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frank stein "frankie" in action RIP
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every engine responds different to forced induction, start at 25 mm and try not to exceed 32 mm.
every once in while Ihave had to go down to 22 mm.
trial an error but dont let it detonate too long while testing keep an eye on your timing as well.
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