Has anyone tried these new plugs in a 4.6 V8.
What do you think of them, Have they helped improve your mileage. Can anyone reccomend some sparkplug wires that they really noticed an improvement.

 

i have them and new wires i changed them at the same time noticed some improvement..i figure every little bit counts.....

------------------
-97 F150 FLARESIDE XLT REG.CAB.4X2 PACIFIC GREEN/GREY INTERIOR
-4.6L AUTO TRANNY 3.55 LS REAR
-MODS-
-ROUSH RACING PERFORMANCE SUSPENSION LOWERED 3 FRONT 3.5 REAR WITH BILSTIEN SHOCKS
-GOODYEAR EAGLE LS TIRES
-4X4 GRILL/BUMPER AND LIGHTS
-PAINT MATCHED SNUG LID BED COVER GREY CARPETED BED KIT
-VENTSHADES
-PAINT MATCHED SLOTTED TAILIGHT ACCENTS CLEAR FRONT CORNERS
-BLUE HALOGEN HEADLIGHTS/BUMPER LIGHTS TOO
-K&N FILTER-WMS AIR TUBE-CUSTOM RAM AIR FROM BUMPER OPENING
-SUPERCHIP(THANX MIKE!!) POWERAID(WHISTLE BOX) ACCELL SUPER STOCK PLUG WIRES BOSCH PLATINUM PLUS 4'S
-VALVOLINE FULL SYNTHETIC 10W30
-FLOWMASTER MUFFLER(to be changed to JARDINE system)
-SPEED GLO DASH& CARBON FIBER GAUGE ACCENT HUSKY LINER FLOOR MATS
-STEREO:
-ECLIPSE HEAD UNIT/SONY ADJUSTIBLE CROSSOVER MOUNTED IN DRIVER DOOR MAP POCKET/BOSTON 6.5 SEPERATES/RUN BY PIONEER AMP/2-12"ORION DVC SUBS POWERED BY ORION HCCA AMP/CUSTOM SUB BOX/1 FARAD CAP/WAY TOO MANY CD'S!!!!
CLIFFORD ALARM&REMOTE START.
"#6 STICKER" GO MARTIN!!