On Sat, 12 Jun 2004, Anthony Polson wrote:

> The Bosch, Beru and NGK multi-electrode plugs have a service life of 20,000
> miles.  I don't know where you get 100,000 miles from, but here in Europe,
> no-one in their right mind would wait that long to replace their plugs.

Some platinum plugs are purported to last 100,000 miles.  Ford started
putting them in their Aerostar vans at one point, because changing the
plugs in an Aerostar was such a terrible job.

David Brodbeck, N8SRE
'86 Volvo 240DL wagon
'82 VW Vanagon Westfalia Diesel (ebay #2481476461)