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Old 05-29-2002, 07:16 PM   #1
jhoffmann
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Question Cooler Temp Spark Plug for 2000 RST

I did a search and didn't find anything concrete for the 2000 RST. I am waiting the arrival of my FAT Stage II turbo kit and was wondering if it is necessary/recommended to run cooler plugs. If so could any of you RST guys out there that have a 2000 let me know what you are using. Thanks,

Jim
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Old 05-29-2002, 07:33 PM   #2
kastle
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NGK Spark Plugs -- BKR7EVX-11

They are 1 heat range cooler and are the plugs that Shiv recommends.
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Old 05-29-2002, 08:06 PM   #3
Impreza Rider
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I'm running NGK BKR7E-11

I guess they're the same as the ones above
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Old 05-29-2002, 08:43 PM   #4
Graham
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Stock plugs here. They seem to work fine for me, though I am sure colder plugs would work BETTER. Quite a bit of backfiring though.


Graham
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Old 05-29-2002, 10:15 PM   #5
jhoffmann
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Thumbs up

Guys, Thanks for the information, I just want to make sure I have everything ready for when I get the kit, can't wait to be under boost!!!
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Old 05-30-2002, 01:22 AM   #6
adamsrs
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Im running Denso Iridium IK22 plugs. BUT i would rather get the NGKs because they last WAY longer and dont cost $12.50 each!
adamsrs
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Old 05-30-2002, 01:22 AM   #7
Hojai
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i just changed to NGK BKR8E
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Old 05-30-2002, 02:29 AM   #8
HndaTch627
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Brk8e-11, these are 2 stages cooler, you'll need to regap them to around .036" to prevent the spark from "blowing out" under boost.

jeremy
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Old 05-30-2002, 11:21 AM   #9
Hojai
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HndaTch627:
Can you tell me how to do so? and is this necessary? and why is that?
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Old 05-30-2002, 12:47 PM   #10
HndaTch627
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Quote:
Originally posted by Hojai
HndaTch627:
Can you tell me how to do so? and is this necessary? and why is that?
get a feller guage for gapping spark plugs from a parts store, bend the tip down and use the feeler guages to gap it to the proper setting.

yes it is necessary if you are running these plugs, at least to get the optimal spark out of them.

why?? becuase you combustion chamber pressures are so high that the stock iginiton can't make the spark jump the gap(remember it's firing 2 cylinders at a time).

jeremy
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Old 05-30-2002, 03:59 PM   #11
Hojai
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HndaTch627:
what is the original distance of the gap on NGK spark plugs?
so it doesn't matter what i've done to the car, the ignition can't be changed, right? like a stand alone computer or even MSD?
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Old 05-31-2002, 01:55 AM   #12
HndaTch627
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Quote:
Originally posted by Hojai
HndaTch627:
what is the original distance of the gap on NGK spark plugs?
so it doesn't matter what i've done to the car, the ignition can't be changed, right? like a stand alone computer or even MSD?
i think on the 11's it's .044" or .046" no matter what you do you still run the risk of blowing out the spark.

jeremy
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Old 05-31-2002, 09:06 AM   #13
Fitz
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Quote:
the ignition can't be changed, right? like a stand alone computer or even MSD?
Sure it can... a Tec-2/ Tec-3 uses a high output coil where you dont' have to worry about blowing out the spark. I'm gapped at 0.045 whether I run a heat range of 7 or 8 with no issues.

Fitz
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Old 05-31-2002, 10:17 AM   #14
RallyNavvie
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Just to let you know the BKR7E-11s are copper plugs. The Subaru guru that did my Haltech suggested not using plain platinum or iridium plugs on our engines. He said use copper or some special type of platinum plug. Has something to do with the wasted spark ignition system (on spark return I think).

May want to keep that in mind. I didn't really get a detailed explanation that I recall. Can someone elaborate?

~Garrett
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Old 05-31-2002, 01:12 PM   #15
Hojai
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because i am using a Tec 2, does this mean i don't have to recap the gap to 0.036"?
by the way i think i am using iridium plugs, is that fine?
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