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That's better than ford Did in the 99-2001 heads on the 5.4's where the plug holes only had 4 threads. People in F150's and Expeditions would be driving and it would literally SHOOT the plug into the hood , taking the coil pack with it. The Lightnings, cince they were boosted, were even worse. Guys ont he Lightning boards are constantly launchingthem unless they tighten them every oil change. Ford got smart in mid 01' and did 8-thread heads. Those stay put
I'm the King of Wishful Thinking.....
Old 01-07-2010, 04:50 PM Typhoon43 is online now  
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