[DML] Re: Stock Ignition vs HEI Ignition

["Welmoed" <welmoedj@xxxxxxxxx>]

I've got something in between for my D.
Alike Bill I use the 8,5mm MSD spark plug cables.
I use a 40 kV Flamethrower.
The resistor pack is only use half for both start and run.
The gaps are set to 1.2mm (almost an inch).

Combined with an electronic - computer adjustable - CPR the car runs great, smooth and fuel consumption is nice (32 Mi to a US Gallon, long hiway drives) if not speeding over 85 MpH.

Welmoed.


--- In dmcnews@xxxxxxxxxxxxxxx, Stephen Rice <stevedmc@...> wrote:
>
> People seem to bash HEI on Deloreans for some reason.  Here is a
> little information I found out regarding my Mustang and HEI.
> 
> The stock plug gap for a 1965 Mustang is between .032 and .036 (very
> similar to a Delorean).  When I bought my Mustang the previous owner
> told me it was idling poor.  Upon checking the spark plugs I found
> they were gapped around .05 yet no one bothered to increase the
> ignition going to them.  I put in some new plugs that were properly
> gapped to .032 and the car seems to idle fine.
> 
> Upon further investigation I found that one very common mod in the
> vintage Mustang community is to upgrade to HEI.  Basically you put in
> a Duraspark II distributor and ignition module and then bump up your
> plug gap to .05.  My question is, if this is so commonly accepted for
> a vintage Mustang, why is it so bad for a Delorean?
> 
> -Steve Rice
> #16510
> 
> On Mon, Jul 9, 2012 at 2:48 PM, content22207 <brobertson@...> wrote:
> > For the past 8 years I have had very good success with HEI ignition: .05" plug gaps and a higher winding coil (*HIGHER INPUT VOLTAGE*) capable of jumping them.
>




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