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why one step colder? out cars run really rich, not lean. I was actually interested in going a step hotter to see what it did with the afr on 91. though the computer could just adjust and make it run the same again lol.
 

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While not tested in my VT, I tried these NGK Iridiums, E3's and regular champions in my V8 Durango and never noticed a bit of difference.. If you have access to the TORQUE app or a Dyno, get some graphs for us.
 

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that sounds weird to me, unless you are running a tune none of us know about, this car is so rich you should be fine. but I in know way have the knowledge they do lol
 

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I saw they mentioned something about plugs making quite a difference but didn't see anything on the colder recommendation. I figured these cars would be fine with the heat issue because they are so stupid rich stock.

I really want to try some new plugs but can't recommend a gap as not many people are probably running aftermarket plugs yet.
 

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I imagine if they come with crappy plugs stock, new ones will certainly make a difference. And I guess just check the gap on the stock plugs, and go from there.
 

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I shall check this soon when I pick up some plugs. I have a ton of logs showing how much timing is being pulled at full boost under various conditions.
 

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Discussion Starter · #13 ·
I imagine if they come with crappy plugs stock, new ones will certainly make a difference. And I guess just check the gap on the stock plugs, and go from there.
This is my starting point...just didnt know if anyone else had changed em out and found what works best...still waiting to hear from SFR on what gap they rec in the VT..
 

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With the ignition systems in new cars I would think a spark plug gap of around .050" is appropriate.

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Discussion Starter · #16 ·
I'd think you see blowout w that large of gap on a turbo car..
 

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Discussion Starter · #20 ·
Any info on the gap setting for these plugs? I want to get them but would like to know where to gap them at.
Jay @ SFR said they didn't regap...just threw em in at the .20 they come. Had several knowledgable folks say the same..
 
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