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Spark plug blowouts
By Thomas on
2001 Ford F-250 Super Duty 2dr Regular Cab XLT 2WD LB (5.4L 8cyl 5M)
The 5.4 Triton V-8 and the V-10 are blowing out spark plugs thru out the USA. If you google this problem you will find out there are only 3 threads for the spark plug to grip to and the heads are aluminum. Sorry no fix as a heli-coil is made of steel and it heats up ar a different temperature than aluminum, then the heli-coil also blows out. This happens on Ford super duty trucks from 1999 thru 2005, Be careful not to purchase this poorly engineered garbage. Dont believe me? Google it! ~!!
Do not buy a Ford 5.4 or V-10 aluminum block and engine.