New info on updated heads to eliminate spark plug launch.
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Senior Member
Joined: May 2001
Posts: 3,300
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From: Richmond, VA, USA
New info on updated heads to eliminate spark plug launch.
this is for those of you who don't or keep up with new posts on old threads.
look here: https://www.f150online.com/forums/sh...312#post813312
look here: https://www.f150online.com/forums/sh...312#post813312
