Multi Coil Setups

[Gavin]

Is this to  the gorup, or to him personally?? If it's to him personally,
could you please post it to the ftp site.

Cheers

-Gavin


>Email with an attachment on it's way
>Grumpy
>
>
>> Hi Orin, are these smart coils you mention used on the LS1? I have a 1998
>> LS1 and need to understand the eight coils it has better. There are four
>> wires going to each of the eight coils.
>>
>> thanks,  dave
>>
>>
>> ----- Original Message -----
>> From: Orin <orin at diy-efi.org>
>> To: <diy_efi at diy-efi.org>
>> Sent: Wednesday, June 21, 2000 11:49 PM
>> Subject: Re: Multi Coil Setups
>>
>>
>> > > Check out the smart coils used on the late GMs, they have all the
>> > > electronics in them, and just need the fire signal. Orin posted about
>> the
>> > > "operation" of them.  They have an auto shut off.
>> >
>> > Yes, I'll dig out the info again...
>> >
>> > Leaving them armed isn't safe at very low RPM.  They will fire after
>> > 1/10 second of being armed whether you tell them to fire or not.
>> >
>> > As I recall, over 2.7V on the fire input arms them, then
>> > grounding it fires them.  Ie you don't need much more than
>> > an opto-isolator and a resistor to drive them.
>> >
>> > Orin.
>>
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