Waste Spark Coils
Bob Wooten
r71chevy at earthlink.net
Fri Feb 23 05:09:03 GMT 2001
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thank you for the information. TTL is basically a 0 - 5 Volt
signal. there are current considerations, but that can be worked around
depending on how much.
BW
----- Original Message -----
From: Jurgen
Hartwig
To: diy_efi at diy-efi.org
Sent: 2/22/01 7:47:37 AM
Subject: Re: Waste Spark Coils
On a similar subject, Jurgen said 2nd gen RX7 but I am not Mazda
literate so i don't know my first Gen from my fourth
gen. on the
subject
of the RX7 coils, saying that they have that they have the ignitor
in
them, does
that mean that they are fired with a TTL level input? if so
that would
kill two birds with one stone for me.
Hi, 2nd Gen RX-7s are cars from 86-91. I believe the earlier
cars used a
distributor and later cars used a different style ignition coil.
Remember, though, the leading coil is the only waste spark
coil. The
trailing coil is a dual post coil, but a trigger wire alternately
triggers
a single post.
Regarding the input, I really am not sure. At the risk of
sounding really
stupid, what does TTL stand for? I have seen the acronym, but
never knew
it's meaning.
Is there any way I can test for this?
Regarding the GM coils, I thought $20 bought you the coil, and you
still
had to buy the igniters. If I can get GM coils and igniter for
less than
$40, then that's a better deal than the RX-7 coils.
Is the GM coil a self-contained unit that can be mounted easily, or is
it
part of a module (i.e. need a mounting bracket)?
Jay
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--- Bob Wooten
--- r71chevy at earthlink.net
--- www.r71camaro.homestead.com
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<DIV>thank you for the information. TTL is basically a 0 - 5 Volt signal. there are current considerations, but that can be worked around depending on how much. </DIV>
<DIV> </DIV>
<DIV>BW</DIV>
<BLOCKQUOTE style="BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px">
<DIV style="FONT: 10pt Arial">----- Original Message ----- </DIV>
<DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A href="mailto:jhartwig at midsouth.rr.com" title=jhartwig at midsouth.rr.com>Jurgen Hartwig</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To: </B><A href="mailto:jhartwig at midsouth.rr.com" title=jhartwig at midsouth.rr.com>diy_efi at diy-efi.org</A></DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> 2/22/01 7:47:37 AM </DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Waste Spark Coils</DIV>
<DIV><BR></DIV><FONT size=2>
<P>
<DIV>> On a similar subject, Jurgen said 2nd gen RX7 but I am not Mazda</DIV>
<DIV>> literate so i don't know my first Gen from my fourth gen. on the</DIV>
<DIV>subject</DIV>
<DIV>> of the RX7 coils, saying that they have that they have the ignitor in</DIV>
<DIV>them, does</DIV>
<DIV>> that mean that they are fired with a TTL level input? if so that would</DIV>
<DIV>> kill two birds with one stone for me.</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>Hi, 2nd Gen RX-7s are cars from 86-91. I believe the earlier cars used a</DIV>
<DIV>distributor and later cars used a different style ignition coil.</DIV>
<DIV>Remember, though, the leading coil is the only waste spark coil. The</DIV>
<DIV>trailing coil is a dual post coil, but a trigger wire alternately triggers</DIV>
<DIV>a single post.</DIV>
<DIV> </DIV>
<DIV>Regarding the input, I really am not sure. At the risk of sounding really</DIV>
<DIV>stupid, what does TTL stand for? I have seen the acronym, but never knew</DIV>
<DIV>it's meaning.</DIV>
<DIV> </DIV>
<DIV>Is there any way I can test for this?</DIV>
<DIV> </DIV>
<DIV>Regarding the GM coils, I thought $20 bought you the coil, and you still</DIV>
<DIV>had to buy the igniters. If I can get GM coils and igniter for less than</DIV>
<DIV>$40, then that's a better deal than the RX-7 coils.</DIV>
<DIV> </DIV>
<DIV>Is the GM coil a self-contained unit that can be mounted easily, or is it</DIV>
<DIV>part of a module (i.e. need a mounting bracket)?</DIV>
<DIV> </DIV>
<DIV>Jay</DIV>
<DIV> </DIV>
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<DIV>in the body of a message (not the subject) to <A href="mailto:majordomo at lists.diy-efi.org">majordomo at lists.diy-efi.org</A></DIV>
<DIV> </DIV>
<DIV> </DIV>
<P></P></FONT>
<P></P></BLOCKQUOTE>
<DIV> </DIV>
<DIV>--- Bob Wooten</DIV>
<DIV>--- <A href="mailto:r71chevy at earthlink.net">r71chevy at earthlink.net</A></DIV>
<DIV>--- <A href="http://www.r71camaro.homestead.com">www.r71camaro.homestead.com</A></DIV>
<DIV> </DIV>
<DIV> </DIV></BODY></HTML>
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