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neuspeedescort said:
im just running the stock style ngk's gapped at 28. i know 91sleeper is running 1 step cooler in his 323 but not sure the brand.

NEUMAN
Yep I have 1 step colder NGK's. You can get NGK plugs and wires for very good prices from www.ngk.com. With higher boost you should also gap them smaller than the stock NA unless you have a high power ignition to keep that spark hot.
 

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i just take an old one, and set the gap to how thick the electrode bar deal is. i dont measure shit. i just put it in. however i should make the gap smaller...
 

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Evergreen, Yeah my site says I'm running NGK Vpowers.
The 2 steps colder heat range plugs are TR55's I believe.
The specific part number is 3951

They guys there recommended that I stay away from platinum for forced
induction. I set my gap to 0.040 from 0.054

AUTOLITE plugs (this is what Jeffs running

Stock = 5144
I bought 1 stage colder = 5143
2 stages colder = 5142
 

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neuspeedescort said:
im just running the stock style ngk's gapped at 28. i know 91sleeper is running 1 step cooler in his 323 but not sure the brand.

NEUMAN
the gtx manual i think siad you can run as high as .050 i run about .035 im also looking for cooler plugs do i just goto schucks and say i need ngk plugs 2 steps cooler than stock for a escort???
 

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red97lxscort said:
yea i had problems finding any colder plugs for my spi.. it took days going to all the auto places....damn retarded peps.
-Justin
Did you find any?? I talked to a ton of manufactures when I bought mine and the only ones I could find were Autolites (1 step colder) and Denso's. NGK said they didn't make anything for that block in a colder plug. :roll: As soon as I get this turbo rebuilt I can actually tune the car instead of troubleshooting it. :twisted:
 

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martinarcher said:
red97lxscort said:
yea i had problems finding any colder plugs for my spi.. it took days going to all the auto places....damn retarded peps.
-Justin
Did you find any?? I talked to a ton of manufactures when I bought mine and the only ones I could find were Autolites (1 step colder) and Denso's. NGK said they didn't make anything for that block in a colder plug. :roll: As soon as I get this turbo rebuilt I can actually tune the car instead of troubleshooting it. :twisted:
does any one have a paart number adn recomended plug to use??
 

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jacobrussell said:
martinarcher said:
red97lxscort said:
yea i had problems finding any colder plugs for my spi.. it took days going to all the auto places....damn retarded peps.
-Justin
Did you find any?? I talked to a ton of manufactures when I bought mine and the only ones I could find were Autolites (1 step colder) and Denso's. NGK said they didn't make anything for that block in a colder plug. :roll: As soon as I get this turbo rebuilt I can actually tune the car instead of troubleshooting it. :twisted:
does any one have a paart number adn recomended plug to use??
Here is a site on the plug number meaning on Deso's plugs...

http://www.iridiumpower.com/identifyplugs.htm

The stock Denso iridium plug number is IT20 for a stock 1.9/2.0 N/A engine. IK20 for the 1.8.

1.9/2.0

On step colder - IT21
Two steps colder - IT22

1.8

On step colder - IK21
Two steps colder - IK22

I talked to Denso when I bough my plugs and the guy recommended one step colder would suffice for up to 70-80hp increase with forced induction or nitrous. Anything more and you should go two steps.
 
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