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As crazy as it sounds all spark plugs have been metric for a LONG time (Ford switch over in the mid 30's to metric). The two most comon sizes are 14mm and 18mm.
As crazy as it sounds all spark plugs have been metric for a LONG time (Ford switch over in the mid 30's to metric). The two most comon sizes are 14mm and 18mm.
And why is that, you might ask? Or not. Models T and A used standard NPT size. Why the switch? I dunno.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.
