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Spark plugs and Spark Plug Gap

Old 09-29-2008, 03:32 PM
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Default Spark plugs and Spark Plug Gap

Just wondering what plug everyone is running. Also what gap. There was some debate about weather to run 0.044 or 0.032 gap, what the verdict of which is better for our motors.
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Old 09-30-2008, 12:04 AM
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Since I work for a dealership, I stick with OEM plugs...I think there Densos?
About the gap, I couldn't help you on that. I figure since they're gapped already, just drop them in!
Someone will chime on this soon!
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Old 09-30-2008, 12:45 PM
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I ended up goingwith NGK Iridiums gapped at 0.044. Seem to have smoothed out idle as other have noticed. Hopefully they will work out in the long run.
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Old 10-01-2008, 04:36 PM
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Um NGK's website says .032 plug gap....
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Old 12-14-2008, 02:39 AM
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Ngk's FTW! def supposed to be gapped to .32 FOR the ngk's. but it's your car.
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Old 12-14-2008, 09:04 AM
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i got the NGK and gapped them at 0.43...
and they are doing my XB well....
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Old 12-14-2008, 07:44 PM
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wow my last post made me sound like a d*ck! what i meant was do what you wish, it's tuning that's what you're supposed to do! sorry everyone
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Old 12-15-2008, 03:32 AM
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Denso Iridiums at .044
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Old 12-15-2008, 07:16 PM
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NGK V-Power Copper plugs, .035

https://www.scionlife.com/forums/vie...18921&start=20
https://www.scionlife.com/forums/viewtopic.php?t=207682
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Old 12-20-2008, 09:04 PM
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Well I figured it was time to change the plugs since it has been about 70k or so, yipes!

NGK V-Power .032 gap.

I may try the Iridium's though after reading so much about them here.
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Old 12-23-2008, 01:01 AM
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It's probably said before but the 2006 xB are gap to 0.031 (owners manual). NGK has a separate item number for the 2006 xB/xA plugs vs previous years and is plugged at 0.032 (vs. 0.044). I'm not sure what changed for the 2006 system.

The owners manual references an NGK V-power plug item number. However, I'm switching to G-Power platinum due to the high cost of Iridium.
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Old 02-25-2009, 02:54 AM
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how about those pulse plugs anyone run those?
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Old 02-25-2009, 03:18 AM
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Originally Posted by boxman27
how about those pulse plugs anyone run those?
pls read this

https://www.scionlife.com/forums/viewtopic.php?t=208413
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Old 02-25-2009, 04:19 AM
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I'm running NGK Iridiums gapped at .044 after reading about the pros and cons of each.
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