At 07:43 AM 05/13/2000 -0400, you wrote: >> When I heard about the Bosch Platinum's from someone on this List three >years ago, I got a >>set at great expense and tried them. > > It has been said by a few mechanics directly to me that the Waterboxer >engines "eat" spark plugs. That is, you should change them out about every >10K miles according to them. > > Of course, being the curious type that I am, I asked "why?" > > I guess everyone knows what the answer was. : ) If you use the standard Super W7cc, they do go fast in those motors. If you use the stock W7CCO, the give at least 20,000 miles in a spec motor. That's why they're special, which is what the last O stands for. In this case, three electrodes. Not all last O plugs have three electrode, but they all have specific unique features required by design. All the last O plugs are more spendy 'cause they are, relatively speaking, produced in much smaller volume for limited applications. T.P. Stephens San Juan Island, WA |
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