get rid of those plugs
first off get rid of the the Bosch Platinum 4's junk
these cars run there best on the cheapest copper plugs out there
Autolites 25's will do for now put the cheap coppers in and you will feel a difference 
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1991 5.0 NotchBack,Black
as of 05/04/09 34,300mi.
2001 LIGHTNING Black 29,872 mi.
05/04/09
(Hangar Queen)
SMOKEM UP
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