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Discussion Starter #1
I'm ordering an Apten Chip, I'm planning to use 12c's. The chip won't be here for a bit (when it comes, it will be packed with a ported blower for my Lightning;) )... Therein lies the problem. I'm doing a tune up on the weekend, and would like to change plugs, while at it (as luck have it that heated garage space is only available to me this weekend).

Notes:
This is my daily driver, and sees about 250 miles per week. Commute to work is stop and go traffic - 15 miles, in just under 1 hour. It could be two weeks before the chip is in the car. I use 91 octane now, but 94 is readily available - weather is cold.

Question:
Is there any problem with running a two step colder plug, without a chip for this period of time? Conversely, if I put in 22c's (which I understand are fine in a stock engine), that would then cause issues with the chip, no?

I know - I should ask Brian directly - we've been playing email tag, as he's been real busy with the Lightning folks... As I need an answer before the weekend, I'm hoping for help...

Thanks in advance.
 

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wait until you get the chip, then swap the plugs.

The colder plugs are just to curb detonation anyway, and you probably won't have any with the tune, so i would just hold off for now.

The reason i say this, is because with the stock tuning you will foul those plugs pretty quick.

Also, I would go with the 22c's for your near stock configuration. If you get pinging with the 22c's, which i doubt, then go to the 12c's.

JH
 

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I ran Autolite 103's with no chip for a long time, and never had any problems with them, and with the tune done, they were already in there, my car just ran better with the colder plugs when it was untuned and 100 degrees outside, and this was track verified with witnesses.
 

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Fry Rice Specialist
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Rich95XR7 said:
I ran Autolite 103's with no chip for a long time, and never had any problems with them, and with the tune done, they were already in there, my car just ran better with the colder plugs when it was untuned and 100 degrees outside, and this was track verified with witnesses.
how about if it's very cold outside? 22c will create any problem?
here is already snowing...
 

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chuacw said:
how about if it's very cold outside? 22c will create any problem?
here is already snowing...
Already snowing? In January?? :rolleyes: Where the hell are you from?? :D

Okay it probably won't create any problems, but as JustinH said they will be more prone to fouling. With 12c's being worse. If you're not experiencing detonation, (are you?) and you're not getting a chip within the next month or so (are you?) then there's really no point to using the colder plugs.
 

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Discussion Starter #6
Well, in my situation I will have a chip within the next two weeks (give or take). I have access to an indoor garage tomorrow, and it's currently -2F. I don't drive a whole lot (250 miles / week), so I should be OK until the chip is in... So, I'm going to go ahead and try the 22c's. If that causes a problem after the chip, then I'll think about changing to a 12c.
 

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Fry Rice Specialist
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BlackCat94 said:


Already snowing? In January?? :rolleyes: Where the hell are you from?? :D

Okay it probably won't create any problems, but as JustinH said they will be more prone to fouling. With 12c's being worse. If you're not experiencing detonation, (are you?) and you're not getting a chip within the next month or so (are you?) then there's really no point to using the colder plugs.
from michigan....hahhaha
 
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