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NGK 4644 1 step gap?

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Old 06-24-2010, 11:25 PM
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NGK 4644 1 step gap?

So i currently have the 6097 1 step which was replaced by the 4644, still the same plugs, but im tryin to figure out what everybody is gapping there plugs to. I think i have mine gapped to .035 wonder if i should go lower or higher. And yes i am modded and tuned if u need to know that to.
Old 06-25-2010, 01:02 AM
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Originally Posted by lilhomieb07
So i currently have the 6097 1 step which was replaced by the 4644, still the same plugs, but im tryin to figure out what everybody is gapping there plugs to. I think i have mine gapped to .035 wonder if i should go lower or higher. And yes i am modded and tuned if u need to know that to.
wats ur mods budd ? and what kinda tune is it ?
Old 06-25-2010, 09:30 PM
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42's, 2.9, 3" exhaust all the way from header back, big bore throttle body, zzp s3 h/e, dualpass endplate. And the tune is Trifecta from Vince himself on teh dyno.
Old 06-28-2010, 12:54 AM
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gap to .32
Old 06-28-2010, 12:55 AM
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I had my 6097s to .32" for the length of the cars life.... from a 2.85 with meth to a 2.7 with meth...
Old 06-28-2010, 12:57 AM
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Mine are at like 37? Is that bad?
Old 06-28-2010, 12:59 AM
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nah it just has a greater chance of spark blow out.... if you are a 2.8 or lower you should be .35 or closer
Old 06-28-2010, 01:36 AM
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Originally Posted by 1badBlueberrySC
nah it just has a greater chance of spark blow out.... if you are a 2.8 or lower you should be .35 or closer
This.

I think I have mine at .34 but I didn't get around to regapping them after I put the 2.7 on. For your boost level I'd say .34 is good. General rule of thumb is more boost = smaller gap.
Old 06-29-2010, 12:23 AM
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So just installed my plugs. I gapped them at .032 and torqued them to 20ft lbs per ngk reccomendations on iron and aluminum block/heads.

Funny thing is i took the old 1 step plugs out and the gap on those were .040 which is stock heat range. I swear i gapped them at .036 last time, so they must of expanded or i just forgot i did them a .040 cuz i didnt read my circle gap tool right.

Anyways the car started smoother, idle awsome, sounds like i have aftermarket cams in my car i think its my magnaflow. I let it idle and looked at my interceptor and no misfires or KR so thats good so far. Guess well see tomorrow when i drive, maybe that explains alil low gas mileage ive had for awhile.
Old 06-29-2010, 12:44 AM
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I think i WILL go to the 0.032 gap as well , currently been .035 with 1 step colder plugs
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