02-16-2018, 10:25 AM
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#12 (permalink)
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Premium Member
Join Date: May 2013
Location: St. Pete, FL
Posts: 3,848
Drives: 520whp Fire Breather
Rep Power: 86951
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Quote:
Originally Posted by overtureZ
So a tuner says user the GTR plugs, but can I get some reasons behind it? I know they are like a step colder but what does that mean for combustion? Why does it matter with FI? Im just clueless haha
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Understanding Spark Plug Heat Range - Engine Builder Magazine
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