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denso ik20's gap question

   
Old May 13, 2004 | 10:05 PM
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Default denso ik20's gap question
do i need to gap the ik20's or do they come pre-gapped i forget if they did and just asking since mine are not here yet.
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Old May 13, 2004 | 10:31 PM
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they come pregapped, but you can go closer. I think stock they are .042 or so. You could easily go .030. - .035.

I run .027, but that's not necessary for a n/a car.
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Old May 14, 2004 | 06:40 AM
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do the gs400 need to be gapped at .040 ?

as thats what is said at the spark plug.com website.
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Old May 14, 2004 | 07:02 AM
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.4 or .44 or something like that
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Old May 14, 2004 | 08:51 AM
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Originally posted by NoRyceGS4
.4 or .44 or something like that
wow thats a big diffence from .4 to .44
i need to know the exact or close number .
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Old May 14, 2004 | 10:57 AM
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I have the same plugs,
I believed it's 0.44, for gs400 at AutoZone where I got the plugs they told me, it's 0.43.
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Old May 14, 2004 | 02:24 PM
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Originally posted by Johnny0728
I have the same plugs,
I believed it's 0.44, for gs400 at AutoZone where I got the plugs they told me, it's 0.43.
.43 and .44 is good to work with.
thanks ,ill try that .
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Old May 17, 2004 | 05:31 PM
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Originally posted by RanGer498
.43 and .44 is good to work with.
thanks ,ill try that .
.043 not .43

i would bump it down to .035 or so, but be careful as the iridium tip is brittle.
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