GL1000 split timing - Page 2 - Steve Saunders Goldwing Forums

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post #11 of 16 (permalink) Old 04-29-2017, 07:41 AM
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Originally Posted by rocks View Post
Maybe I am just overthinking all of this. Like I said, I always used dynamic testing on my bikes.
So, are these the steps Randakk is talking about?
http://www.randakksblog.com/ignition...ing-technique/
Those are the steps. If all your cylinders are firing on the mark like you said in your fist post, there's no need to worry about any of this. It's only used if you have a set of cylinders that won't time correctly and instead of having one fire on the mark and the other fire many degrees behind, you adjust so that one fires a few degrees before the mark so that the other fires not quite so far behind.
If you'd rather time dynamically, you'll either need a sight glass that screws into the timing hole or Randakks has an over priced wheel or you can use this pattern to make your own. http://www.machinerycleanery.com/Mac...TimingDisc.jpg
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post #12 of 16 (permalink) Old 04-29-2017, 08:39 AM
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The problem for most who do static timing is that they never go to the F1 mark again after setting the first mark. Thinking that T1 is T1 is T1. They don't realize the cam can flex or is slightly askew. I think it would show up on a light as moving mark, but hard to see. The flywheel is moving rather fast, first right on the mark, then a little off.

The reason to check this is if your bike has a knock sound when taking off at low rpm or climbing a grade slowly at low rpm. I had to read the article twenty times to finally get what it was saying, and my first bike sounded terrible until I did this.
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post #13 of 16 (permalink) Old 05-04-2017, 10:24 AM Thread Starter
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Alright, some updates on the timing.
At first, I really couldn't get the split timing right. I decided to run the engine, and adjust the timing till I get the sweet spot. It worked. But are the highest points on the crankshaft identical?
Anyway, just ordered a Dyna ignition with the 3 ohms coils and new Reg/Rec combo (My reg is desd alright). Is the ballast still necessary? some say yes, some say no.


Has anyone tried to install the Motogadget on these bikes?


I installed them on a CB750 and XS650, and I love them.
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post #14 of 16 (permalink) Old 05-04-2017, 10:43 AM
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Quote:
Originally Posted by rocks View Post
Alright, some updates on the timing.
At first, I really couldn't get the split timing right. I decided to run the engine, and adjust the timing till I get the sweet spot. It worked. But are the highest points on the crankshaft identical?
Anyway, just ordered a Dyna ignition with the 3 ohms coils and new Reg/Rec combo (My reg is desd alright). Is the ballast still necessary? some say yes, some say no.


Has anyone tried to install the Motogadget on these bikes?


I installed them on a CB750 and XS650, and I love them.
There is only 1 high point on the point cam lobe. The reason for the split timing is the valve spring pressure can distort the camshaft and make it different depending on which valves are open. With the dyna ignition you won't have to worry about that. The dyna people would be the ones to ask if you need a ballast resistor or not.
I don't know what a motogadget is.

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post #15 of 16 (permalink) Old 05-04-2017, 02:23 PM
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My bikes with Dyna's show it also as have the other bikes I've helped time. Hall effect is different than points, but a change in the distance can move the point where the magnetic signal registers. It also slight alters the degree at which the rotor is.
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post #16 of 16 (permalink) Old 05-04-2017, 05:55 PM
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Your camshaft bearing journals have a 0.006" clearance limit and the dynamics of the shaft/journals being turned with and without oil pressure are very different.

Just food for thought.

Advise given here is free and comes with no warranty "Caveat emptor"

Ken.
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