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raising the rear of a Gl1500 any Ujoint issues?

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(@fastjoe)
Posts: 154
Topic starter
 

SidehackRalf - 11/28/2015 9:14 AM

I run a Volkswagen rim on my 89 1500/Escort and with a low profile radial it is quite low. Drags on speed bumps, getting and out of trailer etc. I have the Progressive single shock on the rear and 1 and a half inch risers on top of easy-steer. I am thinking that a longer shock would put a little too much strain on my rig so I'll just live with it because otherwise the rig handles excellent.
Ralph

Next rear tire change I am going to see if I can feel any binding if I move the swingarm and inch lower. Probably not very scientific but if it does act different then I know that longer shocks or relocated shock mounts are not going to work.

 
Posted : December 2, 2015 7:50 pm
CCjon
(@jan-2)
Posts: 1009
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SidehackRalf - 11/28/2015 11:14 AM

I run a Volkswagen rim on my 89 1500/Escort and with a low profile radial it is quite low. ... I have the Progressive single shock on the rear and 1 and a half inch risers on top of easy-steer...
Ralph

Ralph, am confused. Help me understand.

How are you running a single rear shock on dual shock bike?

Are the 1 1/2 inch risers, front fork tube extensions or handle bar risers?

 
Posted : December 3, 2015 12:01 am
(@fastjoe)
Posts: 154
Topic starter
 

CCjon - 12/3/2015 2:01 AM

SidehackRalf - 11/28/2015 11:14 AM

I run a Volkswagen rim on my 89 1500/Escort and with a low profile radial it is quite low. ... I have the Progressive single shock on the rear and 1 and a half inch risers on top of easy-steer...
Ralph

Ralph, am confused. Help me understand.

How are you running a single rear shock on dual shock bike?

Are the 1 1/2 inch risers, front fork tube extensions or handle bar risers?

Not Ralph here but I think I can explain his comment about the progressive single shock. When I took my bike apart to go through the rear drive I found that it had 1 shock from progressive on one side and the factory air shock on the car side. The shock from progressive is very much the conventional coil over with a cam type preload adjustment. Mine was set to the highest preload setting so I left it there.
The air shock is not a shock though. This I discovered when i changed the fluid in it. .. It's an air cylinder that looks and attaches like a conventional shock but provides an adjustable "air spring" that allows you to compensate for more passenger or cargo weight. It has no dampener of any sort and can be freely repositioned for length with no resistance when it has air but no pressure in it. When you have no air pressure in it, it's just along for the ride. The swingarm is robust enough on these bikes that having a shock and dampening on only one side works well and mounting it on the side of the swingarm instead of in front of the rear wheel as is fashionable now days keeps the wheel base to a reasonable length.

All that to say that if you buy a progressive shock for the gl1500 I believe they just send you one. They don't send you a new air lift for the car side.

 
Posted : December 3, 2015 7:37 am
(@SidehackRalf)
Posts: 128
 

Hi, like Fastjoe said, it's just one side. I had the option of Progressive's two shock setup and in hindsight probably should have went that way. The front spacers I ordered on line, their machined out of aluminum stock and threaded to fit the top of fork tubes. It does set higher but suffers from some stiction so I went back to the OEM springs last time I had them out, but think I'll put the Progressive springs back in. In order to change oil in forks I have to take the tops off.

 
Posted : December 3, 2015 7:59 am
CCjon
(@jan-2)
Posts: 1009
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Thank you, now I get it.

I replaced both Honda rear shocks with Harley style shocks with heavy duty springs.
On the front, went with an EZ Steer triple tree. Single handed easy steering now.
Still have the stock springs in front.

 
Posted : December 3, 2015 9:50 am
(@fastjoe)
Posts: 154
Topic starter
 

CCjon - 12/3/2015 11:50 AM

Thank you, now I get it.

I replaced both Honda rear shocks with Harley style shocks with heavy duty springs.
On the front, went with an EZ Steer triple tree. Single handed easy steering now.
Still have the stock springs in front.

Did the HD shocks go right on and were they the same length as the stock goldwing shocks?
Hd made some 13 1/2 inch shocks for the Iron head sportster that had some pretty heavy springs on them I remember. Were they for them by chance?
Just looking for options as I work this out.

 
Posted : December 3, 2015 10:32 am
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