THIS TIME ITS A DRAGBIKE

  • JEFFG1
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Re: THIS TIME ITS A DRAGBIKE

27 Jun 2012 08:48
#532060
well a friend of mine came over monday and we shimed the valves that went very good took some time but no problem :woohoo: now it is tuesday so the cam guy came down and we started getting that job done i was pretty fired up about getting this done felt like this build was about to come to a end. (well not) as i had thought we got it all put togeather and was checking the clearences bigger than shit the ex. valve touched the piston :sick: witch dont surprise me because nothing has gone smooth on this motor from day one so we are back to the pistons hanging out of the cases. seems that the person that i got the block off of has decked the block. the pistons stick out of them about 35-40 thous. so what i need is a spacer that is about 80 thous. is what i was told to be safe the problem is i spent about a hour an half trying to find one but cant find one that will fit my motor i have to call fast by gast this morning on there web site they say that they make custom ones, hope so.if anyone knows where to get a 80 thous. thick 3.210 bore for it would be great ( you got to love this stuff )
1976 KZ 900 PRO STREET 1977 kz1000 dragbike project

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  • JEFFG1
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Re: THIS TIME ITS A DRAGBIKE

27 Jun 2012 15:56
#532124
called fast by gast they didnt have what i need so they told me to contact cometic and i did, they are going to make me one for what i need $37.00 man you cant bitch about that and they are in ohio hope this works...
1976 KZ 900 PRO STREET 1977 kz1000 dragbike project

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Re: THIS TIME ITS A DRAGBIKE

27 Jun 2012 16:04
#532127
Wow... That is GREAT.... (fingers crossed)...

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Re: THIS TIME ITS A DRAGBIKE

29 Jun 2012 06:42 - 29 Jun 2012 06:53
#532561
JEFFG1 wrote: well a friend of mine came over monday and we shimed the valves that went very good took some time but no problem :woohoo: now it is tuesday so the cam guy came down and we started getting that job done i was pretty fired up about getting this done felt like this build was about to come to a end. (well not) as i had thought we got it all put togeather and was checking the clearences bigger than shit the ex. valve touched the piston :sick: witch dont surprise me because nothing has gone smooth on this motor from day one so we are back to the pistons hanging out of the cases. seems that the person that i got the block off of has decked the block. the pistons stick out of them about 35-40 thous. so what i need is a spacer that is about 80 thous. is what i was told to be safe the problem is i spent about a hour an half trying to find one but cant find one that will fit my motor i have to call fast by gast this morning on there web site they say that they make custom ones, hope so.if anyone knows where to get a 80 thous. thick 3.210 bore for it would be great ( you got to love this stuff )

Here's your photo cropped and resized..... The proud piston is easy to see.

IMO, the way to go is get the valve reliefs cut deeper on the pistons and shoot for zero deck with the spacer.


Attachment piston.jpg not found

Larry C.

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Last edit: 29 Jun 2012 06:53 by LarryC.
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Re: THIS TIME ITS A DRAGBIKE

29 Jun 2012 06:48 - 29 Jun 2012 06:48
#532562
I ran into a situation where J pistons & big block were used with a heavily shaved KZ head. The intake valves touched the edge of the valve pocket where the red arrow is pointing.


Attachment piston2.jpg not found

Larry C.

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Last edit: 29 Jun 2012 06:48 by LarryC.
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Re: THIS TIME ITS A DRAGBIKE

29 Jun 2012 11:14
#532598
before ordering that shim for cylinder base id have that cylinder checked to make sure itsw flat top/bottem if not id fix that to make sure youre getting the right shim. B)
posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.

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Re: THIS TIME ITS A DRAGBIKE

17 Jul 2012 09:02
#536510
well there has been alot going on around here havent been getting much done but i did get the chain on had to have a couple of spacers made to center the wheel. got the chain gaurd on also. i mounted the air tank and the shift valve.got the spacer for the motor and had the block checked for true everything is fine

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got another set of coils & wires i had to rob peter to pay paul one of them went out on the orange bike so i took them off of this one so needed another set

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also found a set of cam motion z4 cams i am looking into but i wont put them in till winter i just want to get this thing running my friend is coming this week to put it back togeather and i wont have the z4 till next week so that will be later. hope to see some of you guys at vintage this weekend going to be there sat. have weekend pass so mite be there sund. also dont have anything to sell just like to see what everyone else have.
1976 KZ 900 PRO STREET 1977 kz1000 dragbike project

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  • les holt
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Re: THIS TIME ITS A DRAGBIKE

17 Jul 2012 09:12
#536512
Just noticed your front end isn't raked, be sure your front stem bearings are set right and run dual stabilizers. With the power your going to make you will mph out the back at more speed than these things handle well at and it is a real problem with these bikes.
Progress is progress! Still looking good!

Les
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76 kz 900 turbo
77 LTD 1000 turbo
2 78 Z1R's
72 H2
kzrider.com/forum/13-bike-related/491552...one-followed-me-home
accelerate.presspublisher.us/issue/issue-6-2012/article/ltd
www.cycleworld.com/2013/09/04/2013-cycle...-concours-bike-show/
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Re: THIS TIME ITS A DRAGBIKE

17 Jul 2012 09:28
#536517
les the frt is racked the pic is just not showing it

Attachment DRAGBIKE247_2012-07-17.jpg not found


Attachment Picture008.jpg not found



i have one stablizer on it do you think it would be better with 2
1976 KZ 900 PRO STREET 1977 kz1000 dragbike project

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Re: THIS TIME ITS A DRAGBIKE

17 Jul 2012 09:43 - 17 Jul 2012 09:45
#536519
I see it now, who ever done it did a nice job by the look of it! Just looking at it I'd guess from 7 to 10 deg. I'd say 1 is fine and I believe most tracks require at least 1. I've made a few speed runs on mine and at 5 deg with no stabilizer it's real stable.
Are you going to run a dot tire or slick with struts? I've read where a street tire isn't happy on struts, have a hard time keeping them hooked after launch.

Les
www.facebook.com/PdmCustomFabrication
76 kz 900 turbo
77 LTD 1000 turbo
2 78 Z1R's
72 H2
kzrider.com/forum/13-bike-related/491552...one-followed-me-home
accelerate.presspublisher.us/issue/issue-6-2012/article/ltd
www.cycleworld.com/2013/09/04/2013-cycle...-concours-bike-show/
Last edit: 17 Jul 2012 09:45 by les holt.

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Re: THIS TIME ITS A DRAGBIKE

17 Jul 2012 16:05
#536584
les --- it does have struts with caster mgts. it has a shinko with the softest compound on it these new tires hook very hard. i do have a 18" wheel with a slick on it but i dont like the rim that it is on it is a old ninja wheel so i am going to stick with the one that is on it for now.
1976 KZ 900 PRO STREET 1977 kz1000 dragbike project

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  • racer54
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Re: THIS TIME ITS A DRAGBIKE

17 Jul 2012 22:13
#536658
I've been 148 mph with stock frame and 1 stabilizer with no problems at all...66" wheelbase though.
1980 LTD (changed over the years), 1979 LTD (being rebuilt), 1977 KZ turbo and various KZ's in various states of build. KLX110

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