Thread: Plug Question: Can a Bosch H9DC be used in a 2.3 8v?
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Old 07-13-2003, 05:29 PM
manny manny is offline
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Location: Ontario, Canada
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haasman

I don't believe going one heatrange hotter would make a lot of difference, unless you do a fair amount of balls-out driving.
In many cases, one heatrange hotter is actually recommended on higher mileage engines.
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