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Re: WARNING Sparkplug problems- 5.4 Triton engine
Ok, 3 years later update:
Still driving this truck every day and running the same set of Champions. Truck has 263,000 miles, so there's 163K on the plugs.
I've had to replace 5 or 6 coil packs but (so far) the Champs are still working fine.
My gas mileage has stayed consistent (14- 17 MPG depending on roads).
Cold starts I hear a valve tap for a couple seconds, otherwise the engine is fine. Hoping to get another reliable 100K before replacing the truck.
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1970 Chevrolet C10 stepside w/IROC motor
2001 BMW 530i:
5 speed, Sport, Premium, Cold, Dinan Stage 2, General G-Max tires
2008 Ford F250 XLT 2WD
2017 Mazda CX-5 Grand Touring AWD
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