[Diy_efi] Re: diy_efi Digest, Vol 14, Issue 7

[Michael Richards]

Interesting. I didn't know that the SVX had coil over plugs. I just did 
an STi V2 swap into an Impreza and had to learn how to drive some COPs. 
Here is the info I can remember off the top of my head.

Coils are 2 wire with the name "diamond" they're denso parts. The 
resistance is about 0.5 ohms and the coil measures about 2mH of 
impedance. I'm driving these with a set of GB14C40L IGBTs I got from 
digikey.

-Michael

> While diagnosing a nasty acceleration stumble on my wife's '91 Subaru
> 2.2 Wagon (it was a bad injector and coil pack), I stumbled across
> something new (to me, anyway) - 3.3L Subarus have a direct mount coil
> per plug arrangement, ideal for another project I'm working on.
> 
> Does our braintrust have any specifications on these coils ? The app
> on the table would work very well with 45K volts per cylinder...

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