GPZ1100 swingarm vs GS1100 arm

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07 Aug 2006 09:51 #67757 by inline4
GPZ1100 swingarm vs GS1100 arm was created by inline4
I'm considering taking a different route with the swingarm mods for my Z1 project. I currently have a GS1100E swingarm mounted with shims. I also have a rear wheel from a ZX6E.
Due to lack of funds, I'm thinking about going with a swingarm from a 1982 GPZ1100 (which I already have, along with a rear wheel). My current dilemma :whistle: :laugh: is that the GPZ swingarm is about 1mm wider than the opening on the Z1 frame. My question to you fabricators is how do you suggest I trim the gpz arm; ie. what tool is recommended? Another thing to consider is the spacers that the pivot bolt rides in that the needle bearings contact. Those 2 pieces are obvioulsy hardened steel. How would I go about cutting them?
There will be other questions, but many thanks for your response to this one.
Jim

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07 Aug 2006 12:35 #67809 by baldy110
Replied by baldy110 on topic GPZ1100 swingarm vs GS1100 arm
Here is my 2 cents. On the GPZ1100 swingarm you are still dealing with small round tubing which is not very rigid. The GS1100E swingarm is boxed aluminum, much stronger and resists bending under load. If it was mine I would use the GS.

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