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On 5/4/05, Ben wrote: ok I hope i dont get yelled at, I know how you all are about checking the site out first. ok well I DID so don't yell at me!!!!!! I am looking for replacement spark plugs, and i know that the motorcraft plugs are recommended. I saw the part number is like AWSF32 whatever...... ok well I went to carparts.com to order some and theres like 3 different motorcraft plugs. theres the AGSF32FM and the AWSF32FM Whats the difference in these 2 choices?
the "W"s are original equipment and discontinued. The "G"s are a fine wire version which replaces them
they are the originals? If they are discontinued, then why does carparts.com still have them?
Old stock. You'll be able to find those for a while. I think it's been a couple of years since Ford brought out the new fine wire plugs. They're a superior plug anyway. I'd use those.
I thought the AWSF32FM were a fine wire plug also. I was going to pick up a set of the older one's but if the newer ones are better I will go with those. How are the newer Spark Plugs Superior.
The fine wires require (in theory) less voltage to fire. The theory is that a sharper tip will discharge more easily. What happens is the voltage builds up until the voltage is sufficient to jump the gap. If that happens at a lower voltage then it should be easier on the coils. And everybody knows these coils need all the help that they can get.