Be interesting to see if he ever did put in those plus fours in or find another D owner with any experience of acually using them. Mine only comes from fitting them into Fords. As said at the end of the day there is nothing wrong with a good condition stock set up. What was your bad experience with the Plus 4 , melted electrode, was this on a D? Kind Regards Mike #2001/403 --- In doc-uk@xxxxxxxxxxxxxxx, Martin Gutkowski - DMC Ltd <martin@...> wrote: > > Thisis what Rob Grady had to say on this subject some time ago > > " > > Hello everyone, > > I wish to clarify David's remarks. When Bosch Platinum's came out in the > mid-eighty's (I think? I must be getting old!) they were touted as the next > great thing so naturally I tried them as a lower cost alternative to the > tried and true "SILBERS" (check the spelling on the box!). What I found > unfortunately was that almost a third of our subsequent tune-ups would > return within a few hundred miles with an engine miss. We stopped using > these plugs within a few months. If you want a cheaper plug than silvers the > Bosch coppers fill the bill nicely. I haven't tried the Plus Fours yet but > have a set waiting to throw in my green car. I'm just not that comfortable > trying them based on my past experience. BTW I also don't recommend Bosch > ignition wire sets as my "Daily driver" owners never seemed to get more than > a year out of them. Stick with Bougicord wires, Bosch "Silber" or "Super" > coppers, along with a Bosch cap and rotor and you'll have a combination that > has ALMOST NEVER let us down over many hundreds of DeLorean tune- ups (Never > say never:). > > Sincerely, > > Robert Grady > > " > > I agree with him and we fit only coppers because they're inexpensive, > and they work. I had a bad experience with +4's > > Martin > > Mike Bosworth wrote: > > >Hi John > > > >Whilst i think the Bosch platinum spark plugs +4 are a good plug ( If > >not a little pricey )....I personally like the stock Bosch ignition > >coil and the 7mm Bougicord or Bosch spark plug wires, maybe even go > >for the 8mm type with less resistance. > > > DOC UK Website: www.deloreans.co.uk Unsubscribe: doc-uk-unsubscribe@xxxxxxxxxxxxxxx ** Unless otherwise stated, all messages posted to the group are assumed public and may be printed in the club magazine ** Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/doc-uk/ <*> To unsubscribe from this group, send an email to: doc-uk-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/