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My GPz750 Resto-mod (pic heavy)

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17 Nov 2013 14:53 #613290 by harm
Replied by harm on topic My GPz750 Resto-mod (pic heavy)
Looking good so far!!
Tom
Holland, MI

1980 KZ550 ELR

2011 Concours14
2017 KX450 [/color]

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18 Nov 2013 12:12 #613381 by Puffin
Replied by Puffin on topic My GPz750 Resto-mod (pic heavy)
Doug you have been Busy B) what`s the plan for the front end ?
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18 Nov 2013 12:21 #613383 by StreetfighterKz
Replied by StreetfighterKz on topic My GPz750 Resto-mod (pic heavy)

Puffin wrote: what`s the plan for the front end ?


I should have the last big pieces minus rotors (not sure what I need yet) today and tomorrow. Once I get all the items received, I'll have a small preview so not to keep everyone waiting too long.

I'm trying to finish up the rear before moving on to the front but we'll see how strong my will power is when I get home tonight. :whistle:

Later, Doug
1978 z1000 Streetfighter
1976 z900 Stripfighter (work in progress)
1983 Gpz750 Resto-Mod
1989 Vmax

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18 Nov 2013 18:24 #613427 by StreetfighterKz
Replied by StreetfighterKz on topic My GPz750 Resto-mod (pic heavy)
So I may have copied (or at least heavily borrowed) from Les Holt's upper shock design. But it seemed like the best design and solution for my problem.

I made a couple bungs for the upper shock bolt. The tubes will then be welded to the bungs and then to the original shock crossmember and another spot to be determined.
[IMG

[IMG

[IMG

[IMG

[IMG


Tomorrow's goal is tube notching and maybe some tack welds if I'm lucky.

Later, Doug
1978 z1000 Streetfighter
1976 z900 Stripfighter (work in progress)
1983 Gpz750 Resto-Mod
1989 Vmax

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19 Nov 2013 18:39 - 19 Nov 2013 18:40 #613500 by StreetfighterKz
Replied by StreetfighterKz on topic My GPz750 Resto-mod (pic heavy)
I started late today with a 51" long piece of 7/8" x .065" 4130 Chromoly. About an hour later, I got one tube done and tacked in. I started the other lower tube, only to cut it a bit short so I gave up for the day.

[IMG

[IMG

[IMG

[IMG


And a nice parting shot...
[IMG



Later, Doug
1978 z1000 Streetfighter
1976 z900 Stripfighter (work in progress)
1983 Gpz750 Resto-Mod
1989 Vmax
Last edit: 19 Nov 2013 18:40 by StreetfighterKz.

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20 Nov 2013 06:10 #613530 by 531blackbanshee
Replied by 531blackbanshee on topic My GPz750 Resto-mod (pic heavy)
looks nice man,good job.
i hate wasting material :pinch: ,but you gotta consider you are building a one off so a lil trial and error has to be expected :whistle: .

keep us posted,

leon
skiatook,oklahoma 1980 z1r,1978 kz 1000 z1r x 3,
1976 kz 900 x 3
i make what i can,and save the rest!

billybiltit.blogspot.com/

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20 Nov 2013 06:49 #613533 by StreetfighterKz
Replied by StreetfighterKz on topic My GPz750 Resto-mod (pic heavy)
I should be able to reuse the piece on one of the shorter lengths. So I'll really only waste about 1.5" or so.

I really want to get the other three tubes fitted tonight so I can move to the front end.

Later, Doug
1978 z1000 Streetfighter
1976 z900 Stripfighter (work in progress)
1983 Gpz750 Resto-Mod
1989 Vmax

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20 Nov 2013 13:38 #613562 by spdygon
Replied by spdygon on topic My GPz750 Resto-mod (pic heavy)
Doug looking great.....
Question....at what angle did you weld the bottom shock mounts
im also working on mine and im undecided on the angles.....the angle on the gsxr frame are level with the frame but i cant do that on the kz frame.
1982 GS1000sz Katana ( #15...17K Miles)
1982 GS1000sz Katana ( # 297....7100k Miles)
1978 Kz1000 Z1R. 10K Miles1
1978 kz1000 z1r 27k miles
1977 KZ 1000 A ( Project ) 54K Miles
1976 Kz900A4 (Red)21K miles
1976 Kz900A4 ( Red)7500 miles
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20 Nov 2013 16:15 #613574 by StreetfighterKz
Replied by StreetfighterKz on topic My GPz750 Resto-mod (pic heavy)

spdygon wrote: Question....at what angle did you weld the bottom shock mounts
im also working on mine and im undecided on the angles.....the angle on the gsxr frame are level with the frame but i cant do that on the kz frame.


I make the mounts however they have to be in order to keep the bolt as close as possible to the same location relative to the pivot bolt. Pointed up, down, or level all depends on where the Kz cross-member is based upon the donor's suspension pick-up points.

Later, Doug
1978 z1000 Streetfighter
1976 z900 Stripfighter (work in progress)
1983 Gpz750 Resto-Mod
1989 Vmax

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20 Nov 2013 17:18 #613580 by StreetfighterKz
Replied by StreetfighterKz on topic My GPz750 Resto-mod (pic heavy)
So I remade the right side lower tube but I'm not sure how I like the angle. I have it almost against the frame but because the shock is offset, it's at a different angle from the left side. I kinda want the tubes to be symmetrical but I also want them to attach roughly at the same points near the frame.

Thoughts?

[IMG


Later, Doug
1978 z1000 Streetfighter
1976 z900 Stripfighter (work in progress)
1983 Gpz750 Resto-Mod
1989 Vmax

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20 Nov 2013 17:27 #613581 by kzz1king
Replied by kzz1king on topic My GPz750 Resto-mod (pic heavy)
For looks I would go with the left the same angle as the right. Structurally I don't have a clue!
Wayne
74 Z1 1075, 29 smoothbores, owned and ridden since 1976
Home built KZ1000 turbo setup

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21 Nov 2013 00:13 #613599 by Puffin
Replied by Puffin on topic My GPz750 Resto-mod (pic heavy)
I believe it is better as pictured, both attaching to the frame near the braces. If you moved the right hand one in, there would be alot of forces directed to middle of the Tube giving an uneven distribution :ohmy:
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