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 Old 12-28-2011, 10:29 AM   #1
 
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Default Spark Plug Questions

i have been reading some of the forums about plugs. At what point is it beneficial and important to switch to cooler plugs. i have had my MS3 for 4 months now and added a bunch of mods. i need to know when and which plugs i should switch to. Thanks for any help you can give.

here are my current mods

2007 MS3 GT

CNT Racing catless DP
CPE TMIC
Cobb TIH
Injen CAI
HKS BOV
Cobb AP
Koni Yellows
Eibach Sportline Springs
Genpu wheels
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 Old 12-28-2011, 10:36 AM   #2
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run the one step colder itv 22's.

heres some more info
NGK.com
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 Old 12-28-2011, 10:44 AM   #3
 
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If you're running stage 2 with your mods (i.e. higher boost pressure) then you should install one step colder.

ITV22's seem to be the best choice, but realize that the plug length is shorter than the FOMOCO OEM's, thus you may want to do a 'spring stretch mod' also.
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 Old 12-28-2011, 10:48 AM   #4
 
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sorry for the lack of knowledge but what is a spring stretch mod? lol
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 Old 12-28-2011, 11:14 AM   #5
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pull your coil packs off and stretch the spring inside the boot
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 Old 12-28-2011, 11:33 AM   #6
 
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Ann ha. Thanks. It doesnt sound hard, is it?
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 Old 12-28-2011, 11:36 AM   #7
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Originally Posted by Derigo View Post
run the one step colder itv 22's.

heres some more info
NGK.com
chinkfail, btw. ITV22's are Densos.

OP: no hpfp upgrade? Must get asap.

gap the itv22's to .028" or so.
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 Old 12-28-2011, 11:36 AM   #8
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the ngk was just info about heat range nubmike
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 Old 12-28-2011, 11:39 AM   #9
 
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I just found one from a guy on here yesterday. $300. I'll be buying it on Friday. Uncle Sam doesn't exactly pay me a lot so I have to go used. I just hope it's up to par. LoL
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 Old 12-28-2011, 11:43 AM   #10
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Originally Posted by RedLegSoldier81 View Post
I just found one from a guy on here yesterday. $300. I'll be buying it on Friday. Uncle Sam doesn't exactly pay me a lot so I have to go used. I just hope it's up to par. LoL
who did you buy from
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 Old 12-28-2011, 11:53 AM   #11
 
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How To: Ignition coil spring stretch mod

Here's the spring stretch mod.
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 Old 12-29-2011, 10:47 AM   #12
 
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Don't have to do the stretch mod if you go with NGK one step colder's but then you do have to gap them since they come with a huge gap of about .045" or so. Gap those mothers down to .028" which ever brand you get, OP.
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