Quote:
Originally Posted by thstone
The problem is that there are far too many other variables that you can't keep constant in order to say that the spark plug change was the cause for such a small change in temp as shown on the gauge cluster. Even if you had Durametric data, there are still far too many variables in play.
That is why people are saying "placebo" - they don't mean that you're not seeing a difference on the temp gauge, instead they are saying that it is highly likely NOT the spark plugs and much more likely one or more other variables that can affect the reported coolant temp.
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What would be those variables? Were those variables not existant before the plug swap? You're suggesting that absent any other anecdotal evidence (of which there is none... he changed his plugs, nothing else) that the ~4 degrees spontaneously happened and had absolutely zero to do with it?
I'm interested in your response, and anyone else who suggests a placebo is in effect. I'd like this to make sense for me. Thank you.
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