GL1100 1982-1983 engine swap


Information and questions on GL1100 Goldwings (1980-1983)
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frustration_X_2
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GL1100 1982-1983 engine swap

Postby frustration_X_2 » Tue Oct 12, 2010 6:58 pm



OK. WingAdmin is my new hero, cause he put me on the straight and narrow with the wiring issue I had during this swap.

Now I need sombody to tell me:
1. That I'm not crazy.
2. Where to H-E-double-hockey-sticks the vacuum advance runs to on the '83 'Wing.

Please?

In a pinch I'd settle for just #2.
***EDIT***
If it helps, the "old" engine is SC02E- 220XXXX and the "new" engine is SC02E- 231XXXX.
and I have a couple pics I can attach if it will help.


Frustration_X_2
1982 GL100 Interstate

Socialism is a mindbreaking and heart-rending path to follow for those who are capable of excellence.

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RBGERSON
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had every year from 75 to 83

Re: GL1100 1982-1983 engine swap

Postby RBGERSON » Wed Oct 13, 2010 7:31 am

I think they are all the same..from the "points" housing right rear of engine to a brass tube on the #3 carb bottom back side.
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

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frustration_X_2
Posts: 6
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Location: Dallas Texas
Motorcycle: 1982 GL1100 Interstate.
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Re: GL1100 1982-1983 engine swap

Postby frustration_X_2 » Fri Oct 15, 2010 9:15 pm

O.K. the swap is complete... sort of.
I still can find no point of attachment for that vac hose from the #3 cyl.

I'm sure there must be one, becuase the bike idles very nicely, and will only sputter a little when reving in neutral...
but with any load on it at all it sputters and coughs like my 1979 pinto. (the one with only 3 plug wires)

Obviously it's running rich, but for the life of me, I cannot find a port for vacuum advance.

Help!?


Frustration_X_2
1982 GL100 Interstate

Socialism is a mindbreaking and heart-rending path to follow for those who are capable of excellence.

indianakid
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Motorcycle: 83 GL1100 I

Re: GL1100 1982-1983 engine swap

Postby indianakid » Fri Oct 15, 2010 9:43 pm

I did not think it could be done but it appears as if the pickup housing is installed 180 out. if you look from under the bike you will see the vacuum advance diaphragm and since you say the engine is running Ok i would suggest just getting a longer piece of tubing and hook it up.
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indianakid
Posts: 126
Joined: Sun Sep 26, 2010 5:28 pm
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Motorcycle: 83 GL1100 I

Re: GL1100 1982-1983 engine swap

Postby indianakid » Fri Oct 15, 2010 10:01 pm

I was mistaken. Upon closer look the pickup housing on the bike is from a 1200. In an earlier post I thought you had listed the engine number, does that confirm the engine is a 1100? Also there is no way to install the housing incorrectly.
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frustration_X_2
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Motorcycle: 1982 GL1100 Interstate.
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Re: GL1100 1982-1983 engine swap

Postby frustration_X_2 » Sat Oct 16, 2010 2:55 pm

Yes, I did post the engine number and everything I find indicates that it's an '83 GL1100.

I suppose that barring my learning how advance is controled on a "non-vacuum" bike, I will have to dis-assemble the bike again to change out the current system for my old vacuum advance system on the newer engine. (if only I'd had the Service Manual PRIOR to R&R... it states that vacuum advance should be function checked with a pump prior to reinstallation of the engine... I'd have paid closer attention to it.)

Any ideas on if i can swap the current system (or how it can be properly tuned) for the "old" vacuum advance system without pulling the engine?
Frustration_X_2
1982 GL100 Interstate

Socialism is a mindbreaking and heart-rending path to follow for those who are capable of excellence.

indianakid
Posts: 126
Joined: Sun Sep 26, 2010 5:28 pm
Location: long beach, ca
Motorcycle: 83 GL1100 I

Re: GL1100 1982-1983 engine swap

Postby indianakid » Sat Oct 16, 2010 7:31 pm

Hi F_X_2,
Yes your situation is frustrating as it is fascinating. I have been meaning to reply to WingAdmin after your situation with the gear position wires. My 83I has only the wires for neutral and 5th. I agree with him it would be fun to make a gear position indicator. The engine number on my bike is SC02E-2300XXX. I was wondering if your engine could be from an Aspencade that had the video dash with gear position read out. If that is the case does any one know if an Aspencade had electronic advance? I do know that the 84s were the only year to have the pick up in the rear location. 85 they were moved to the front crank pulley. As for your current situation replacing the pick ups with the ones from the 82 engine would be the most clear direct route but you will most likely have to pull the engine. Or you could get an ignition unit that would work with the pick ups currently in the engine but you will have to come up with a mount. The unit has a port for the vaccum line. I noticed there were a few on ebay but it is a roll of the dice if they work.
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frustration_X_2
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Re: GL1100 1982-1983 engine swap

Postby frustration_X_2 » Fri Nov 19, 2010 2:37 pm

Here is my belated but none the less happy update:

I have sucessfully changed out the solid-state advance for my original vacuum setup and the bike runs swell... as swell as I could hope for the situation anyway. (dirty carbs, a little sputter on one side, but running.)

The point I wanted to make sure to cover is that in Indy's pic post the part he shows is only the vacuum part of the advance. behind that is another mechanical component that interacts with the vacuum part for proper advance.

When I pulled the '83 1100 down to remove the advance section on the tail, I noted that the pickup was different, and decided to investigate further... sure enough, more parts behind the small casing shown in that pic...

For those making this swap in the future, be advised, "get it all, or do it again." is the watchword.

Now that it's running, (and has been for a few weeks, again sorry for the late reply.) I have two challenges to follow up on.
1. the gear indicator. (thinking of setting up an LED array to show current gear as well as re-connecting the neutral light.)
2. That sputter... I'll search for that as well, but would appreciate any leads on where to find the fix if you know of one.
(PMs please, lets not clutter the forum.)

Thanks guys for all your help, this would have been MUCH more frustrating without it.

Pics to follow soon!

F_x_2


Frustration_X_2
1982 GL100 Interstate

Socialism is a mindbreaking and heart-rending path to follow for those who are capable of excellence.


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