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Old 12-14-2009, 04:46 PM   #1 (permalink)
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Dyna-S vs Dyna 2000I

Can someone make a suggestion about ignition system.
I'm in doubt between Dyna-S or 2000I for my Shovelhead engine.
I have both of them, here, out of other engines, but I can not really decide between them.
What do you think.
Thanks
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Old 12-14-2009, 07:31 PM   #2 (permalink)
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The Dyna 2000 is a much better ignition.
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Old 12-14-2009, 07:58 PM   #3 (permalink)
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I agree with Springer. The 2000 has several adjustments and does not use flyweights and springs for the advance curve. Shovelheads can be made very reliable, and somewhat maintenance free. Those flyweights for the Dyna S are one of the things that should be updated. Be sure to use the correct coil.
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Old 12-15-2009, 01:47 AM   #4 (permalink)
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Thanks thanks thanks!!!!!
RR
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Old 12-15-2009, 05:33 AM   #5 (permalink)
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My only doubt about 2000I is the static timing precision.
Once the engine has been correctly static timed (with status led) I have done a dynamic test with strobe light and it shows a different results (I've done a thread on this problem).
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Old 12-15-2009, 09:26 AM   #6 (permalink)
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Quote:
Originally Posted by il-rigido View Post
My only doubt about 2000I is the static timing precision.
Once the engine has been correctly static timed (with status led) I have done a dynamic test with strobe light and it shows a different results (I've done a thread on this problem).
To me that isn't a problem. Use the static timing to get it close so the bike will start and run. Then time it using the light.
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Old 12-15-2009, 10:13 AM   #7 (permalink)
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In 35years of testing on the track and off the track Dyno testing, street racing, and kick starting. I have found best results to be electronic mechanical advance type ignition. If you can't lube the advance unit every now and then learn how its EZ. as for performance I run 9.20's @ 140MPH on my stock frame 4 speed shovel with mechanical ignition and one dual fire coil using only 2 spark plugs .As for the advantages of a completely electronic adjustable unit in my opinion its more trouble than its worth.From 1980 to 1991 I used the same ignition when holding the all national records for FL/M classes it worked great then it works best now Kick start!!
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Old 12-15-2009, 12:57 PM   #8 (permalink)
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I'm sure you are right obout your race Shovel, but I'm looking for a reliable ignition system, that do not leave me alone when I'm running to a rally 300km from my home.
RR
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Old 12-15-2009, 02:47 PM   #9 (permalink)
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In that case use a points & condenser system that way you could trouble shoot and replace on the side of the road. I've run 10.5's with points systems in pleanty of shovel powered FX's Spark on !
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Old 12-15-2009, 03:25 PM   #10 (permalink)
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OK, you know what you're talking about, but when I first bought an HD bike it was running with points, and it was a dayon/dayoff engine, and the first improvment was the installation of a Dyna-S system.
It was a very reliable system, never let me down, but now I was thinking to something even more efficient and so I was going to use 2000I.
However I own only a 3ohm coils set.
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Old 12-18-2009, 08:16 AM   #11 (permalink)
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Originally Posted by il-rigido View Post
OK, you know what you're talking about, but when I first bought an HD bike it was running with points, and it was a dayon/dayoff engine, and the first improvment was the installation of a Dyna-S system.
It was a very reliable system, never let me down, but now I was thinking to something even more efficient and so I was going to use 2000I.
However I own only a 3ohm coils set.
Don't hold me to it, but I believe the Dyna S requires a 5 ohms coil.
Another popular reason to go fully elec is that you can add a VOES switch.
I have heard people say that the S is more kick friendly, but that might be related to the 2000I being set at 3 dead revs from the factory. Again all this is what I heard, and I'm sure as hell no expert.
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Old 12-18-2009, 08:44 AM   #12 (permalink)
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The Dyna S will fire 3 or 5 ohm coils.
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Old 12-22-2009, 10:30 AM   #13 (permalink)
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need advice

I replaced my cams installed andrews e-z adjust push rods.
I turned the motor over before the front cyl lifters bled down.i tried to start is (STUPID) at first it back fired I shut it right down. re adjusted the push rods
then did a compression check, at first no compression in the front cyl.
I waited 15 minutes and checked compression again. this time had full compression. I buttoned it up and now it starts and runs fine.
i don't think i bent a valve because it runs good. Can anyone out there tell my why i did not have compression the first time? I made sure i started it many times. Can't ride it yet due to the snow.
Did i get lucky and the intake lifter was just holding the intake open at first?
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Old 12-22-2009, 10:35 AM   #14 (permalink)
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Quote:
Originally Posted by 1-bad-fxdl View Post
I replaced my cams installed andrews e-z adjust push rods.
I turned the motor over before the front cyl lifters bled down.i tried to start is (STUPID) at first it back fired I shut it right down. re adjusted the push rods
then did a compression check, at first no compression in the front cyl.
I waited 15 minutes and checked compression again. this time had full compression. I buttoned it up and now it starts and runs fine.
i don't think i bent a valve because it runs good. Can anyone out there tell my why i did not have compression the first time? I made sure i started it many times. Can't ride it yet due to the snow.
Did i get lucky and the intake lifter was just holding the intake open at first?
Sounds like your answer right there.
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