[DML] Re: Tune-up
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[DML] Re: Tune-up



I have seen first-hand how the platinum plugs can leak at the seal between the shell and the porcelein. They are expensive and meant for extended use (high mileage) between replacements. Since most Deloreans do not put a lot of mileage on the regular plugs will not wear out in 10 years. There is no gain in performance so why spend the extra money?
David Teitelbaum



--- In dmcnews@xxxxxxxxxxxxxxx, "John Hervey" <john@...> wrote:
>
> Dave, 
> I hate to dispute you but there are 100's of cars running Plat +4 plugs with
> no problems. The problem is they might show a problem up and the plugs get
> blamed for or someone may not know how to fix the problem and blame the
> plug. HR6 is a cold running plug that will sludge up faster where as the HR8
> to 9 are the medium range that will burn off slug / carbon faster for the
> trolling around most DeLoreans do. The Platinum + 4 is a medium heat range
> plug that is good for the car.
> John Hervey
> www.deloreanautoparts.com
> 
> 
> 
> 
> 
> -----Original Message-----
> From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx] On Behalf Of
> daveswingle2
> Sent: Saturday, April 17, 2010 10:26 PM
> To: dmcnews@xxxxxxxxxxxxxxx
> Subject: [DML] Re: Tune-up
> 
> Get rid of the +4 plugs. They can cause this problem. Put in Bosch HR6DC or
> HR6DS or HR6DP gapped at the correct spec, and you'll fix it. 
> 
> Running poor when wet is a sign of a problem with the wiring or a cracked
> cap. Make sure everything is installed tightly. 
> 
> --- In dmcnews@xxxxxxxxxxxxxxx, "stainlessilusion" <5n-@...> wrote:
> >
> > Guys; I am working on my D a little since I have a rough running engine,
> and am curious what the original coil has for output voltage. I'm looking at
> John's 25,000 volt Bosch coil [as an upgrade?] since I doubt the stock one
> has that much punch to it. I have +4 plugs that are a little old but few
> miles and are still in good shape; also Johns 8mm wires and upgraded
> resistor. I once used the blaster coil with my setup but I remember having
> problems with it - I believe it was melted distributor rotor but can't
> remember correctly. Nonetheless, with what I have as far as plugs, wires and
> resister; which coil should I be going after? My engine runs like garbage
> when it rains, and when it is dry it sputters at stops from time to time and
> just doesn't feel "right". Thanks guys -----Dani B. in FL!
> >
> 
> 
> 
> 
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