What spark plug do you think is better? Or is the difference just the look. So the X-type for show car and the other for driven cars.
Macs part numbers are
X = T5201XE
Driven car = T5201E
Are they better then the motorcraftplugs?
Price reflects mfg design and quality.
The Champion X is what is so close to the original plug Ford recommended. My preference is the Champion X. (T5201XE)
The Champion 25 is poor substitute. The center electrode is only 'potted' in place with a ceramic glue and tiny threads, this electrode is two piece aluminum, and can come apart. If you use any type of wrench.
Champion 25 (T5201E)
The best way to fasten any spark wires to the plug is to finger tighten only the nut, then hold the nut firm with your fingers, and turn the spark plug wire terminal clockwise to snug up the contact.
Go to O'Reilly's auto parts. Ask for Champion 495. They are Champion X's and O'Reilly's can order them in, usually the next day. They cost $20 at O'Reilly's. That is were I buy them when I need them.
Going to O'Reilly's is really a pain in the ass. There are NONE north of Virginia, in the northeast.
Are the Champion 495's the same as the brass top X's?
The Champion X's are available on line from O'Reilly Auto Parts. I don't know if they will ship overseas.
If I was ordering spark plugs from Germany, I would buy Champion X plugs. They will last a lifetime in a Model T engine.
In the US I would find used Champion X plugs at a swap meet or E-bay for a reasonable price and get them. I doubt such availability is the case in Europe
So,.....is there any difference in quality between the new and modern Champion X plugs from O'Reilly's and the old Champion X's that were made back in the Model T era?
They are about the same.
New X's are still take apart, the only T plugs that can do that. They last and last.
New X's have nickel electrodes, not sure about the old ones.
Thanks Dan,.....never was too clear on that!
im pretty sure the originals have nickel electrodes as well. most plugs of the time has some form of electrode that didnt burn, some were tungsten, firestone i believe had a polonium elecrode that was radioactive, i think the had apink insulator.
the new champion xs are wonderful, I think they are nicer than the originals, which is very rare to see these days.
can someone post a link to them on the O'Reilly's site?
I can't find them, as their site asks to select a vehicle year first and the earliest is 1942...
Ok, but the first question is:
Are the both plugs are only different in style or are they different in technical?
X = T5201XE
Driven car = T5201E
Same partnumber just with or without X
99.9 percent of the time they will have to get them shipped to the store from their warehouse.
I think NAPA can do the same thing.
All the new ones I Have seen lately leak at the core. Could not stop them from leaking. I would not waste my money on them.
Someone must have been reading the posts about X plugs, i looked on E-bay for some and they were listed from $18 to $30. each plus shipping, there are no swapmeets around here and going to Chickasha for plugs is out of the question.
I bought some F-11 Motorcraft and they seem to work just fine.
I believe the 'X' is a hotter plug and somewhere there are heat charts but danged if I can find them now looking for them on-line.
The A25 work in most applications without a hiccup and as Dan points out you need to be very careful with these new ones as the top is held in with something like super-glue only and the slightest tweak and they are two-part plugs.
In the absence of heat charts and the 'X' actually being a hotter plug...I personally do not believe it to be lore. I've had a few cars I work on with A-25's and a front plug foul, I tweak everything up and there is still that first that wants to soot up a bit more than the rest. Drop an 'X' back in, problem gone. But there are also cars with the A25 that run absolutely right all the time too.
I was talking about the new "X" plugs that people are buying at the Auto Parts stores. These are the ones that are leaking and can not stop. The Copper gasket in them is a POS. Dan
The X's are not cheap, but why not spend the extra money and get something that is original and works!
Has anyone tried to replace the bent outside "wire" on the bottom of the X plug? It looks as though it could be pulled or drilled out. Some of mine are getting pretty short causing too wide a gap. Any ideas? John
John, I had one that had no bottom wire, they are inserted into a hole and then crimped. Look closely with a magnifying glass and you can see clearly that the bottom electrode is easily replaced.
Best I've used so far is the pink Firestone poloinum E-100-F I've ran a set of these for 4 years now no problems at all.. I just lucked up on a box of 10 NOS, so I should have enough to last me for a day or two...