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05-01-2019, 10:21 AM
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#1 |
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ATS 2.0T
Drives: 2013 Cadillac ATS Join Date: May 2018
Location: Northern New Jersey
Posts: 97
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Spark plug gap
I had ordered brisk plugs one step colder than factory. R14s I know a few of you guys have them as well. Anyone have a good gap range for them?
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05-01-2019, 11:06 AM
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#2 |
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Account Suspended
Drives: 2019 Chevrolet Camaro 1LT 2.0T Join Date: Mar 2019
Location: Buffalo, NY
Posts: 330
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I bought a set of NGK 6510s, which are also one step colder from factory. I gaped them at .022" and I'm more than happy with the results.
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05-01-2019, 05:39 PM
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#3 |
 
Drives: 18 Camaro LS M6 Join Date: Apr 2019
Location: NH
Posts: 698
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So... the let me see if I catch on. The colder plug as more insulation. I tried to figure out where the application is, and I read about helping with pre-ignition. But if I recall it is used under extreme conditions. Would it be reasonable to think - like in conjunction with high octane which I learned in HS auto shop was slower burning, it also helps the delay in igniting the fuel to reduce pre-detonation? Then also- why tune to such an extreme that one has to take extra steps to mitigate the ping? Why not just back off the timing?
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