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? Who with FI is running the LS2 coil?

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Old 12-12-2010, 08:21 AM
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? Who with FI is running the LS2 coil?

Just want to get some feedback. This is not a dwell time discussion.
I know Kane has them but he hasnt really been able to drive his car much-----yet.
I dont know of any other FI car with them other than MM?
I know Juan has the MSD version.
Anyone else done this?
Old 12-12-2010, 11:50 AM
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So far, almost every FI car I've tuned in person has had them.
Looking through my customer database (15% of which is FI), more than half of the FI people list LS2 coils as a mod.

I can list user names, but I don't want to "out" anyone that doesn't want to be "outed".
Old 12-12-2010, 11:52 AM
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Originally Posted by MazdaManiac
So far, almost every FI car I've tuned in person has had them.
Looking through my customer database (15% of which is FI), more than half of the FI people list LS2 coils as a mod.

I can list user names, but I don't want to "out" anyone that doesn't want to be "outed".
any of them made 320+ whp ?
Old 12-12-2010, 11:53 AM
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Everybody! Everybody has them.
Old 12-12-2010, 11:55 AM
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As Jeff pointed out, there are others(that I know of as well), but let them chime in if they wish to do so.
Old 12-12-2010, 11:59 AM
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I have tuned several FI cars with them, my own included.
Old 12-12-2010, 12:04 PM
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Yes, I have them

sure fire way to make sure you have spark, especially with a stupid rich AFR.
Old 12-12-2010, 12:04 PM
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Seen 'em light up an 8:1 AFR.... ballsy!
Old 12-12-2010, 12:11 PM
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Originally Posted by Brettus
any of them made 320+ whp ?
Yes.
Old 12-12-2010, 12:13 PM
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Originally Posted by MazdaManiac
Yes.
good - just wondering why we never see any evidence of this ...
Old 12-12-2010, 12:17 PM
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/raises hand -- but no where near 320hp
Old 12-12-2010, 12:21 PM
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Originally Posted by olddragger
Just want to get some feedback. This is not a dwell time discussion.
I know Kane has them but he hasnt really been able to drive his car much-----yet.
I dont know of any other FI car with them other than MM?
I know Juan has the MSD version.
Anyone else done this?
I have both; the LS2 coils on the trailing plug, and the MSD/LS2s on the leads.

Update -
Leads are MSD Ignition 8247.
Trailings are standard LS2, not the Yukon's.
Spark plugs are set to 32.
No misfires....

Last edited by Rote8; 12-12-2010 at 04:46 PM.
Old 12-12-2010, 12:35 PM
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Originally Posted by Rote8
I have both; the LS2 coils on the trailing plug, and the MSD/LS2s on the leads.
lol. Really?
Old 12-12-2010, 01:35 PM
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Originally Posted by Rote8
I have both; the LS2 coils on the trailing plug, and the MSD/LS2s on the leads.
interesting...

pics and evaluation please...
Old 12-12-2010, 03:24 PM
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Originally Posted by Charles R. Hill
The D-585s have, for a LONG time been referred to as "LS-2" coils but it is erroneous to do so as the LS-2 coils emit only about 40 mA of current while the D-585s emit about 120 mA (according to the guys at MegaSquirt). The popular MSD coils emit 150 mA but at a slightly lower voltage (according to MSD, themselves).
The LM7/L59/LM4/L33 5.3 L engines are, essentially, iron-block versions of the LS-2. There are a bunch of other differences to make them truck applications.
At this point, I have yet to find a coil with a higher current output.
Old 12-12-2010, 05:45 PM
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correction. I have BHR "Yukon" coils :P
Old 12-12-2010, 05:48 PM
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... and when do you expect to use those "D585-like" coils with no dwell change needed in your kits?
@Charles
Old 12-12-2010, 09:00 PM
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bingo Ray--thanks for picking up on that. There is a slight difference between the "yukons" and the "ls2" coils oem dwell tables.
Maybe a thread needs to be started under "Ignition set ups for FI"?
Open discussion for the thoughts on coil set ups/wires used and why, capacitors used or not? Maybe someone could actually scope a twin power!
Thoughts?
Old 12-12-2010, 09:30 PM
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I have the BHR ignition but not a verified 320+ whp. I have hit 400g/s however and could probably pull more with a boost controller with gain functionality.
Old 12-12-2010, 09:39 PM
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Originally Posted by olddragger
Maybe a thread needs to be started under "Ignition set ups for FI"?
Open discussion for the thoughts on coil set ups/wires used and why,
I could probably contribute to a good argument on why I think the stock coils are not so bad as everyone makes out and how to get the most from them ......

Last edited by Brettus; 12-12-2010 at 10:34 PM.
Old 12-12-2010, 09:43 PM
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Originally Posted by Brettus
I could probably contribute to a good argument on why I think the stock coils are not so bad as everyone makes out and how to get the most from them ......
that i'd like to hear
Old 12-12-2010, 10:08 PM
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Originally Posted by olddragger
Maybe someone could actually scope a twin power!
Thoughts?
i thought this had been done
Old 12-12-2010, 10:51 PM
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Originally Posted by paulmasoner
that i'd like to hear
hmmm - to have another **** fight with Paul ............or not ........ that is the question .
Old 12-12-2010, 11:02 PM
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Like many things with the RX8, there's the easy way and the hard way.

Why some choose the hard way I don't know...but it's very entertaining.
Old 12-13-2010, 12:31 AM
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Originally Posted by Brettus
hmmm - to have another **** fight with Paul ............or not ........ that is the question .


indeed

I cant necessarily promise anything remotely intelligent from my side though(you may think that already :P ) since I kinda stay f*cked up on pain meds

I can say that I understand dielectric breakdown pretty well, and on any coil dont agree with those folks who are "re-gapping" their plugs to deal with or avoid ignition problems. And it isnt just because I see it as a band-aid... I have a feeling it can easily create another complication



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