Drag strip trip.

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18 Apr 2015 15:22 #668575 by zukdave
Replied by zukdave on topic Drag strip trip.
No campin tonight They cancelled today because of rain.

Have not got the software yet.
I want it so I can turn on the ign. kill and the rpm switch's to autoshift an airshifter.
It also has four timing retard setting for when I start spraying the NOS.

1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.

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19 Apr 2015 20:25 #668807 by zukdave
Replied by zukdave on topic Drag strip trip.
Man what a day!!!

So we got to the track about 8:30 and find a place to pit
and turn's out I'm pitted next to Curtis that did the machine
work on my motor and he came over to ask about how the bike's doing.

With not getting any test pass's yesturday I set the ign. at 35 degrees
total timing and the rev. limiter at 10,000 rpm's.

Time trail's started around 11:00 so go make my first pass
and after the rain last night the track's not hookin and blow the tire off
and go a 9.12@89 mph.
They did some more prep. work on the track and I go make a pass
go a 7.65@90.25 still spinning a little.

Decided to add some timing and bump the limiter up some
so talk with Curtis he said go 40 degrees and set the limiter at 11.000 rpm.
Make the change's and go make a pass by then there's some rubber down
and it went an 7.37@92.36 I'm gettin happy.

First round I dial a 7.35 and the bike go's a 7.34 and I go too fast I'm out.
Hit the tech shack and buy back in ($10 buck's) and on to round two.
Round two dial a 7.30 against a 7.00 in the other lane.
get the light and the bike wheelies and I chop the throttle and run a 7.50@91.35
dude I'm running go's a 6.63 on a 7.00 dial and I'm on to round three.

Round three same 7.30 dialin against a CBR 1000 with a 6.30 dial
I cut a good light and at half track he coming on like gangbusters
dude drive's around me and I can't run him down enough to make him break out
I'm done for the day time for a cold beer.

1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.

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20 Apr 2015 05:26 #668831 by riturbo
Replied by riturbo on topic Drag strip trip.
Glad you had a fun day.Looks like your getting her dialed iin

Gpz 750 turbo The one I ride
Gpz 750 turbo Not finished
Gpz 750 turbo Not started
Gpz 550 1981
Gpz 550 1983
Bunch of other junk

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20 Apr 2015 17:36 #668938 by zukdave
Replied by zukdave on topic Drag strip trip.
This is Curtis's bike he did my motor work when I saw this in his shop I felt good about him doing it.
480

480

480

480

480

A 68 y/o black dude James bought this GS new and has NEVER had a metal plate on it
he rode it home on a paper plate and has been a track only bike since.
480

480

1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.

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20 Apr 2015 17:46 #668942 by zukdave
Replied by zukdave on topic Drag strip trip.
URL=http://s1276.photobucket.com/user/Zukisbikes/media/011_zps2kljfiic.jpg.html] [/URL]
480

480

480

I've got the coolest pit bike around. I could have sold ten of them Sunday so I think I'll build a few and see.
480

Hey I know that dude.
480

1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.

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20 Apr 2015 17:48 #668944 by zukdave
Replied by zukdave on topic Drag strip trip.
480

480

480

480

Curtis son on the CBR that put me out.
480

480

480

480

1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.

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21 Apr 2015 16:39 #669057 by kawi810
Replied by kawi810 on topic Drag strip trip.
looks like you had fun this week end .what are the bikes running in the 1/8 ?that is 2 valve N.A. motors?i see alot of mordern sportbikes .did the timming increase to 40 help?and yea your pit bike is the BOMB.

original owner of a 1984 gpz 750
1985 turbo 750 stock, being restored.
1984 gpz 750 with 810 cc wiesco's megacycle cams(471-10) 34 mm flatslides v&h pipe ported head dyna ignition. bottom end, crank case from turbo 750 and sprockets.

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21 Apr 2015 16:53 - 21 Apr 2015 17:02 #669060 by zukdave
Replied by zukdave on topic Drag strip trip.
John I made two pass with the timing at 35 degrees first one it blowed the
tire up in smoke on a green track second pass after more track prep
it still sppun the tire some then upped the timing and it started to wheelie
so yes it helped the power.

As for fast time's the turbo Busa and ZX14's were going mid 4's at over 150 mph
that's why our track is now 1/8th mile only not enough shut down room.

The pit trike has been a big hit the two time's I've had it at the track
and could have sold it many time's for about $1500 so I think I'm going to
build a jig and start making some frame's and build a few

1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.
Last edit: 21 Apr 2015 17:02 by zukdave.

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21 Apr 2015 17:06 #669064 by kawi810
Replied by kawi810 on topic Drag strip trip.
TOTALY COOL on the pit bike .yes that helps on the timing .when are you going to spray ? that will be interesting ?may be a air shifter .?good luck and looking foward to more post on drag racing. you are doing more then the averange KZ rider . NO POSERS

original owner of a 1984 gpz 750
1985 turbo 750 stock, being restored.
1984 gpz 750 with 810 cc wiesco's megacycle cams(471-10) 34 mm flatslides v&h pipe ported head dyna ignition. bottom end, crank case from turbo 750 and sprockets.

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21 Apr 2015 18:13 #669074 by zukdave
Replied by zukdave on topic Drag strip trip.
Next up is a tach and shift light then the software and an air shifter
set up to autoshift.

I need to do something with my clutch lever ever since I did the motor
swap I've had very little range of motion at the lever and it make's it hard
to slide the clutch out on launch and the APE clutch is REAL agressive
and that added to it.
My cable move's about 1/3" between on and off thinking I'll add about a 1/4"
to the arm at the cover.

1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.

Please Log in or Create an account to join the conversation.

  • DOHC
  • Offline
  • Sustaining Member
  • Those Doe-Hawks really go!
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21 Apr 2015 20:32 - 21 Apr 2015 20:55 #669091 by DOHC
Replied by DOHC on topic Drag strip trip.

zukdave wrote: My cable move's about 1/3" between on and off thinking I'll add about a 1/4"
to the arm at the cover.


So you're saying you want the engine side lever (and clutch plates) to move farther for the same amount of clutch lever travel, right? Wouldn't you need to shorten the arm at the engine side to increase the travel?

Or maybe you can find a clutch lever and mount with a longer distance between pivot point and cable mount point?

Either way, the pull gets heavier but the range of motion through the engagement range point would get wider.

Anyone make a hydraulic clutch conversion for the GPz750?

'78 Z1-R in blue , '78 Z1-R in black, '78 Z1-R in pieces
My dad's '74 Z1
'00 ZRX1100
Last edit: 21 Apr 2015 20:55 by DOHC.

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22 Apr 2015 05:03 #669099 by zukdave
Replied by zukdave on topic Drag strip trip.
I'm not wanting to change the pressure plate traval just the cable traval.
By making the lever longer the cable end will have a longer range of traval
to rotate the lever.the same amount.

1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.

Please Log in or Create an account to join the conversation.

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