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Old 10-16-2006, 04:28 PM   #1 (permalink)
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Screaming Eagle ignition help

I am thinking of replacing my stock electronic ignition to the Harley 32630-96 Screaming Eagle which I believe to be a 6000 RPM module.

Since this will allow the advance to come on sooner will this lead to pre ignition (ping) in an engine that is currently Ping free? If installing this module requires the timing to be retarded to avoid pinging, what good is it? Anybody with experience with this set up, appreciate comments insight, etc.
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Old 10-16-2006, 05:10 PM   #2 (permalink)
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I installed the SE ign. module in my bike (98 FXSTS) almost two years ago.
At that time the EVO was just a stage I. I 've not had any problems with ping (detonation). Seat of the pants said it pulled a little harder.
My buddy has an older EVO and installed the SE in his bike. He likes to lug
his a lot and has had no problems.
I have recently done a rebuild upping the compression to about 9.1 to 1.
I still don't have any issues with the SE module.
IMHO - Do it, you'll be glad you did.


PS: my obsolete EVO will toast 90% of the cagers out there.
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Old 10-16-2006, 06:10 PM   #3 (permalink)
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Quote:
Originally Posted by RidingJerry
I installed the SE ign. module in my bike (98 FXSTS) almost two years ago.
At that time the EVO was just a stage I. I 've not had any problems with ping (detonation). Seat of the pants said it pulled a little harder.
My buddy has an older EVO and installed the SE in his bike. He likes to lug
his a lot and has had no problems.
I have recently done a rebuild upping the compression to about 9.1 to 1.
I still don't have any issues with the SE module.
IMHO - Do it, you'll be glad you did.


PS: my obsolete EVO will toast 90% of the cagers out there.

Thanks, I will do just that! Standard ignition timing and SE module!
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Old 10-17-2006, 12:33 PM   #4 (permalink)
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I was reading an article which was cited in the thread titled "a good read", just above. Among many points it spoke to ignition upgrades from stock. The upgrade which it thought was most valuable was the ingition upgrade. The author went on to say the Screamin Eagle ignition module was well worth the money and served well to improve stock performance. One of the benefits to ignition upgrading was the advanced spark timing as the RPMs grow. The S/E ignition on HDs site says the unit maintains stock spark curves. Im confused. I had a 883-1200 upgrade with S/E AC and Python 2-1 exhaust. I want to upgrade the ignition if its a real and noticable benefit. If I look at the part on HD site there are two different part numbers for a S/E ignition for 2005 1200 and an 2005 883. My questions would be 1) is the spark advance different in the S/E module and 2) which module should I opt of in light of the 883-1200 conversion? I like the S/E module for its $120 price.
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Old 10-23-2006, 04:29 PM   #5 (permalink)
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Good questions.
When I replaced the stock ignition module in my EVO, it was a part swap and at that time I did nothing else. It felt better "seat of pants" riding. That makes me believe that it has a different curve than the stock. The only
thing that it listed was a higher rev limit.
As for the two modules listed for the sportsters, my guess is that they
have two different advance curves due to the differences in the two engines.
Which unit would give you better response? I don't know.
Hopefully, someone with a sportster will pipe up and let us know.
I will ask a friend who should have some knowledge on this.

The advantage to most of the aftermarket ignitions is they have multiple
advance curves preprogramed. You can try them all and leave the module
set on the one you fancy. Dyno runs give hard numbers on which curve
the engine likes best.

Back to the SE module, it is cheaper and runs better than stock. IMHO

Now let's see if we can find out about the different sportster modules.
Anyone got dyno charts?
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Old 01-12-2007, 10:43 PM   #6 (permalink)
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Does anyone know if these are single or dual fire ignitions?
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Old 01-13-2007, 07:59 AM   #7 (permalink)
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For Evo, they are dual fire.
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Old 01-13-2007, 11:22 AM   #8 (permalink)
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Thanks Ed Y, that's kinda what I thought as none of the catalogs spec'd "single-fire".
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Old 01-27-2007, 11:34 PM   #9 (permalink)
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if harley had an improved advance curve on the s.e. ignition they would say so don't you think? the rev limit is raised and thats it." seat of your pants" means nothing more than "in your imagination" prove me wrong.
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