split fire

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worth the money for an inline 6?

I need a switch of plugs...wondering if I should go with these instead of autolite platinums>? did I spell that right?
 
Ive both. I feel that properly gapped good old autolites are the best bang for the buck. I had both platinums and split fires in my 88 Stang GT, I ended up going back to the factory plugs. Plus who wants 100,000 miles plugs, got to have some reason to get under the hood now and then!
 
8) i generaly use either bosch platinum or autolite double platinum plugs in all my cars.
 
Split fires are a waste of money IMHO. I usually run the normal autolite coppers. I tried running platinums but they fouled quicker then the coppers. Try Platniums, if they don't work for you, go copper.

Slade
 
I use the Autolite. Autolite uses a harder alloy and will tend to maintain a sharp edge on the side and center electrode. If you keep those edges sharp you can use a larger gap even with the stock setup.

Save your money and stick with the Autolite.

Ric.
 
I tried split fires in my 91 explorer. Didn't make any difference. The other problem with 100k mile plugs is that after 30k they become part of the engine. When I pulled the plugs after 60k on my explorer...2 of them had to be broken, the engine half dissassembled, and the plugs pulled with an EZ Out.

Ever since then...no more then 20k on a set of plugs on any car.

Slade
 
Those Split Fire Plugs gave people the impression that the ignition system would provide more than one spark, like one from each of the side electrodes. Unfortunately unless you are running two coils offset slightly in timing you will only produce one spark each time the coil collapses. Your best bet is to keep the entire system in top shape to produce a long, strong spark.

Have fun, Ric.
 
I have run two tests of SplitFires that you may be interested in. I installed a set in my '76 carb'd Ford E-250 van with a 460, and ran them for about 30,000 miles. They yielded about 1 mpg better gas mileage than regular 'no-name' plugs (10 mpg vs. 9 mpg), but were completely worn out at 30,000 miles. I mean really worn out -- the electrodes were gone down to a small stump! I also installed a set in an EFI Chevy w/350. Over 50,000 miles they showed no difference in fuel consumption. They were completely worn out, though, just like in my Ford van. I changed them at 50,000 miles because the car started running rough and the fuel mileage had dropped off by about 2 mpg. So I went back to cheap plugs and still change them at about 30,000 miles, along with wires, rotor and cap.

Jus' my 2 cents... :wink:
 
Sounds like the alloy used was very soft. Champion also uses a softer alloy but I have never heard of the side electrode being burnt off like that, unless your running Nitro Methane. Champion does have a "method to their madness", the idea being that the alloy being "sloughed off" will provide a catalyst during the combustion that promotes a more complete burn of the fuel. You go through more plugs but get better mileage. Seems to work.

Ric.
 
I use bosh platnum they are alot ezer to clean than the cheepers just my two penneys :)
 
How do you guys think good old autolite's stand up against motorcraft's?

Afew months back I replaced my motocraft's with autolites in my Tempo. They seemed to run better. Am I nuts? (I know I'm leaving myself open on this one.) or which do you guys perfer?
 
No your not nuts, just a few cylinder short of the full block!

My LPG car just loves to hammer plugs. 24 months is enough to force a replacement of the Champions I have to use. Ford Oz don't stock any others any longer that come in the right heat range for my ride.
 
Split Fires are good for imports but I would not waste my money on em for an Inline 6. Me personally I use Bosch Platinum, pretty good spark plug, the way to go IMO. Autolites would work too but I prefer the Bosch.
 
Friend of mine dropped them (Splitfires) in his 87 Toyota Celica. He reports that it idled rougher and felt a little more sluggish, as well as a notable loss of fuel economy against his regular plugs.
 
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