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Old 04-02-2018, 04:18 PM   #25 (permalink)
It's all about Diesel
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Originally Posted by Stubby79 View Post
Maybe they specifically put them in US cars?
Considering that Americans use lower-grade fuels more frequently than Europeans and Japanese, to the point that other automakers have also used a few different parts in engines meant to the American market which might be seen as a downgrade, it wouldn't surprise me to see Toyota using copper plugs.
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