Quote:
Originally Posted by XfireZ51
Hib,
Do you know why the 375hp motor has a recommend of a .035? plug gap, while the 405hp motors were spec?d for .050?? Am I correct, and if so, what change made that possible?
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I don't know what change made that possible.
As to why the bigger gap, I bet Behan probably knows for sure, but I bet it was to improve idle stability and idle emissions.