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Location:
Maryland, USA
Registered:
September 2002
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 Indexing Sparkplugs
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Tue, 10 September 2002 19:22
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Hi, Anyone out there know which direction to point the open gap of spark plugs for an 85 Cel GTS? Thanks.
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Location:
Carlingford, Sydney
Registered:
May 2002
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Re: Indexing Sparkplugs
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Tue, 10 September 2002 23:56
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you point the gap towards and inlet valve
or beteen then 2 on a 4 valve motor 
(well thats how ive been doing it)
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Location:
Brisbane / Gold Coast
Registered:
May 2002
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Re: Indexing Sparkplugs
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Wed, 11 September 2002 00:17
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We tried indexing the plugs on my racing car engine, and it made no difference at all. You might get a better result on other engines though.
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I supported Toymods
Location:
Berowra-Sydney
Registered:
July 2002
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Re: Indexing Sparkplugs
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Wed, 11 September 2002 00:21
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The talk about this on the NGK website and they say the only way to really make it affective is to do it on a Dyno
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Location:
Brisbane / Gold Coast
Registered:
May 2002
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Re: Indexing Sparkplugs
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Wed, 11 September 2002 05:28
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Yep, we did it on a dyno.
Again, no difference, but it might be different on other engines.
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I supported Toymods
Location:
Berowra-Sydney
Registered:
July 2002
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Re: Indexing Sparkplugs
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Wed, 11 September 2002 06:58
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I guess it really depends on the cylinder shape and design as well as the current spark plug location.
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