joshheat25 said:I am going to change the spark plugs on my 2000 GT and was wondering what brands to get and what type.
MOTORCRAFTjoshheat25 said:any other brands that are good for performance and longevity!
The platinums will generally last about twice as long as copper, say 30,000 miles for the copper and 50,000-60,000 miles for the platinumjoshheat25 said:How much longer does platnum plugs last over the copper and does anyone have any noticable performance gains with copper!
No need to.joshheat25 said:Don't Gap the Platnum Plugs?
CanadaStang said:The platinums will generally last about twice as long as copper, say 30,000 miles for the copper and 50,000-60,000 miles for the platinum
What copper plugs were you using? If you change to too cold a plug, they will foul quickly, as the plugs won't get hot enough to burn off deposits. Unless you raise compression or install a power adder you really won't need to go to a colder plug.StangYellow said:I have to disagree with the copper statement. I have been buying copper plugs for 2 years now, and I put around 7-8K on my car each summer. Every year around June the car starts bucking, and will sometimes slow down going up hills. Thats because the plugs are fouled out, or have just worn out. I have since switched back to the stock plugs.
Maybe its just my car, but i dont see copper plugs going for more than 10K miles. They are as cheap as the stock Autolite/Motorcraft plugs. But from experience, its cheaper to stick with the stock heat range plugs, and get the longer milege out of them
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