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PeteD PeteD is offline
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Join Date: Oct 1999
Location: Fort Collins, CO
Posts: 132
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Best Spark Plug?

There has been a lot of talk about double, triple, and now four electrode (split electrodes) spark plugs. So what is the best to use on a carbed 914? I have heard one should go one or two plugs cooler than on stock fuel injection. That has worked well for me, but I am interested in trying the split electrode plugs if they are at all what the ads make them out to be in terms of performance improvements. Anyone have experience here to share?

(I am running a 1.8 with Dells and MSD-6 ignition)

While we are at it, how about the best plug wires that work with stock Bosch distributor caps?

Also, how much of a difference do indexing washers make in terms of performance or even running. (indexing washers are a set of washers of different thickness that allow you to effectively position the plug such that the electrode faces away from the center of the cylinder and thus does not "shield" the spark from the center point of the combustion). Again, experience is the best reference. Anyone got experience with these? Seems they would no make any difference if you used the new Bosch 4 prong plugs.

Thanks and happy new year!

Old 12-28-1999, 05:53 PM
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