Re: [DML] Prowler Engine.

[Martin Gutkowski <martin@xxxxxxxxxxxxxx>]

Hi Mark

Well if you have individual coils per plug, you can just use an 
aftermarket system without their coil packs. SDS, Electromotice... 
whoever. There's absolutely nothing wrong with wasted spark, it's just 
economical to use one coil to fire two plugs, and it makes for a cleaner 
burn. I take it you can't install regular plugs? You can simply split 
the signal from the ECU and use it to fire two coils. If I have wrapped 
my head around ignition systems correctly, I think the only addition 
you'd need would be a pair of diodes on the signal going to each pair of 
coils.

I am in a similar position in that the R25 (and indeed all later Renault 
EFI PRV's) used a proprietary 66/3 trigger wheel, which can't be hooked 
up to any of the ECUs I've looked at which all work on the 60/2 GM 
trigger. This isn't the ECU manufacturer's problem, it's Renault's

Martin

Marc Levy wrote:

>Thanks for the link..  I have been to that site.
>
>Have you used their products?
>
>The only product they have that may do what I need is
>the EM-4 6F ($1400).  
>
>The mopar engine uses coil-on-plug setup, so I need to
>keep the stock ignition coils.  The SDS system
>requires that I use their wasted spark coil pack which
>will not work in my configuration. With this setup, I
>would still need some external ignition hardware (even
>if I do wasted spark, I need to drive 2 coils!)
>
>My biggest problem with these systems (most of the ECU
>systems I have looked at) is they just want to sell
>you the unit.  They have no desire to work with the
>customer to get the product to work on the specific
>engine.  Worse yet, if I cant get it to work I am
>stuck with an expensive door stop.
>
>What is even more strange, none of these systems have
>ever been fitted to this engine.. And it is a very
>common engine (at least over here it is).
>






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