Hello Guest User,

Please feel free to have a look around the forum but be aware that as an unregistered guest you can't see all of it and you can't post.

To access these 'Registered Users Only' areas simply register and login.

Gpz Drag bike Project for 2018

Work in Progress

Moderators: KeithZ1R, chrisu, paul doran, Taffus

Message
Author
User avatar
KWACKERZ1
Hardcore
Hardcore
Posts: 1596
Joined: 1st Sep 2007
Location: Leicestershire

Gpz Drag bike Project for 2018

#1 PostAuthor: KWACKERZ1 » Mon Oct 02, 2017 8:46 pm

As per the for sale posts i picked up this the other day.
So thought I would start a project thread.
Will use this as Record of progress.
http://z1ownersclub.co.uk/phpBB3/viewtopic.php?f=18&t=41686

martinz1000r
Custard Cream
Custard Cream
Posts: 878
Joined: 1st Jul 2007
Location: Oxfordshire

Re: Gpz Drag bike Project for 2018

#2 PostAuthor: martinz1000r » Tue Oct 03, 2017 10:16 am

it's for PUM only so cant see it :(
Z1000R, Moto Martin GPz, z900 A4 Crosby Replica, Harris Magnum 2, Suzuki GSXR 1100 Slabbie, SP1 Hoonda, Katana 1100, Bimota SB6R and Tuatara, Ducati 999

Swirl
100Club
100Club
Posts: 288
Joined: 9th Feb 2017
Location: Ellesmere Port Cheshire

Re: Gpz Drag bike Project for 2018

#3 PostAuthor: Swirl » Tue Oct 03, 2017 3:28 pm

no pictures

User avatar
KWACKERZ1
Hardcore
Hardcore
Posts: 1596
Joined: 1st Sep 2007
Location: Leicestershire

Re: Gpz Drag bike Project for 2018

#4 PostAuthor: KWACKERZ1 » Tue Oct 03, 2017 7:07 pm

Pictures.
Attachments
P1280438__1506587943_81.154.47.101.jpg
P1280438__1506587943_81.154.47.101.jpg (25.84 KiB) Viewed 1151 times
P1280427__1506588701_81.154.47.101.jpg
P1280427__1506588701_81.154.47.101.jpg (20.41 KiB) Viewed 1151 times
P1280419__1506588451_81.154.47.101.jpg
P1280419__1506588451_81.154.47.101.jpg (14.63 KiB) Viewed 1151 times
P1280407__1506588964_81.154.47.101.jpg
P1280407__1506588964_81.154.47.101.jpg (23.3 KiB) Viewed 1151 times
P1280399__1506588255_81.154.47.101.jpg
P1280399__1506588255_81.154.47.101.jpg (26.32 KiB) Viewed 1151 times
P1280394__1506587313_81.154.47.101.jpg
P1280394__1506587313_81.154.47.101.jpg (127.25 KiB) Viewed 1151 times

Swirl
100Club
100Club
Posts: 288
Joined: 9th Feb 2017
Location: Ellesmere Port Cheshire

Re: Gpz Drag bike Project for 2018

#5 PostAuthor: Swirl » Tue Oct 03, 2017 7:11 pm

So that's what a thousand pound looks like, nice mate nice

User avatar
KWACKERZ1
Hardcore
Hardcore
Posts: 1596
Joined: 1st Sep 2007
Location: Leicestershire

Re: Gpz Drag bike Project for 2018

#6 PostAuthor: KWACKERZ1 » Tue Oct 03, 2017 7:34 pm

Love this thing its got lots of clever functional ideas on it.
clear float bowls
MSD ignition driving zetec car 1.5ohm coils
shifter switch and homemade lanyard switch
low profile breather
plastic air tank
IMG_1703.JPG


IMG_1701.JPG


IMG_1697.JPG


IMG_1692.JPG


IMG_1682.JPG


IMG_1705.JPG


No paint on the frame Paint adds weight.

Swirl
100Club
100Club
Posts: 288
Joined: 9th Feb 2017
Location: Ellesmere Port Cheshire

Re: Gpz Drag bike Project for 2018

#7 PostAuthor: Swirl » Thu Oct 05, 2017 7:13 am

I'm not jealous at all, honest :biggrin

Swirl
100Club
100Club
Posts: 288
Joined: 9th Feb 2017
Location: Ellesmere Port Cheshire

Re: Gpz Drag bike Project for 2018

#8 PostAuthor: Swirl » Thu Oct 05, 2017 7:25 am

Did I say I'm not jealous :D

User avatar
KWACKERZ1
Hardcore
Hardcore
Posts: 1596
Joined: 1st Sep 2007
Location: Leicestershire

Re: Gpz Drag bike Project for 2018

#9 PostAuthor: KWACKERZ1 » Thu Oct 05, 2017 9:30 am

The plan at the moment is to do the following

Lose the MSD and replace with an IGNITECH Sparker3

http://www.ignitech.cz/en/vyrobky/rac/rac.htm

It has facility for a Shift light , nitrous connection, built in rev limiter, all adjustable through the laptop.

One of the trackday guys uses one and he ran 7 twenty minute sessions on a standard GPZ Motabatt total loss system and at the end of the day it still registered 12.35v. Running 1.5ohm coils on an 8 plug head.
I will go the 3ohm Dyna coil route and adjust the spark duration to suite (also adjustable on the ignitech)

I also have agreed the purchase of a N20 kit taken straight of a z1100 so that should be a simple fit.
But AL has advised " proceed with caution" as he thinks I might be jumping in at the deep end.
:dead
Which is probably about right!

What I will be looking for though is a standard set of Unitrac pick ups and ignition casing if anyone has one surplus to requirements.

User avatar
KWACKERZ1
Hardcore
Hardcore
Posts: 1596
Joined: 1st Sep 2007
Location: Leicestershire

Re: Gpz Drag bike Project for 2018

#10 PostAuthor: KWACKERZ1 » Thu Oct 05, 2017 10:53 am

The plan at the moment is to do the following

Lose the MSD and replace with an IGNITECH Sparker3

http://www.ignitech.cz/en/vyrobky/rac/rac.htm

It has facility for a Shift light , nitrous connection, built in rev limiter, all adjustable through the laptop.

One of the trackday guys uses one and he ran 7 twenty minute sessions on a standard GPZ Motabatt total loss system and at the end of the day it still registered 12.35v. Running 1.5ohm coils on an 8 plug head.
I will go the 3ohm Dyna coil route and adjust the spark duration to suite (also adjustable on the ignitech)

I also have agreed the purchase of a N20 kit taken straight of a z1100 so that should be a simple fit.
But AL has advised " proceed with caution" as he thinks I might be jumping in at the deep end.
:dead
Which is probably about right!

What I will be looking for though is a standard set of Unitrac pick ups and ignition casing if anyone has one surplus to requirements.

Julian_Boolean
Custard Cream
Custard Cream
Posts: 568
Joined: 20th Oct 2016
Location: Ipswich

Re: Gpz Drag bike Project for 2018

#11 PostAuthor: Julian_Boolean » Thu Oct 05, 2017 10:59 am

Phil, I've got a set of Unitrak casings and pickups you can have, their only taking up space in the garage
An expanding collection of parts pretending to be a Z1100R and a Yamaha FZ750

User avatar
KWACKERZ1
Hardcore
Hardcore
Posts: 1596
Joined: 1st Sep 2007
Location: Leicestershire

Re: Gpz Drag bike Project for 2018

#12 PostAuthor: KWACKERZ1 » Thu Oct 05, 2017 11:06 am

Julian,
Brilliant I'll drop you a pm with my address, unless your off to the staffs show and we could catch up there, I think I will be there sat morning only though.
Cheers

User avatar
KWACKERZ1
Hardcore
Hardcore
Posts: 1596
Joined: 1st Sep 2007
Location: Leicestershire

Re: Gpz Drag bike Project for 2018

#13 PostAuthor: KWACKERZ1 » Wed Oct 11, 2017 6:40 pm

Done some work on the drag bike.
Stipped off the MSD Ignition and coils as I am going to sell that.

Stripped off the top end.
IT has .429 cams and adjustable APE sprockets.
APE heavy duty studs and bolts.
72.5MM What looks like standard ART114 72.5mm pistons that have been polished and balanced and they have been gas flowed, they have some tiny holes in the crown edges that apparently let gas through and causes the rings to push out and create better compression. This is a drag racing trick apparently but should help with the N20 when its fitted.
The other interesting thing is the engine breather pipe routes around to the collector box of the 4-1. I originally thought in case it blows smoke out but it may also to be to reduce crankcase pressure by having a venturi affect created be the exhaust gases.
Is this something anyone has come across before?
C9BC7832-1A74-41A9-8290-8EC3252BBD61.jpeg

44C44F54-97E7-4FAA-99B9-3FD7BFDB1E3C.jpeg
F6534032-60D1-4F28-9B60-2F298F8370E6.jpeg
9FD5D00C-25C0-4254-A151-1CB0DDE45460.jpeg
Attachments
6CF1030B-7E82-466F-AD71-820DB1612D26.jpeg

User avatar
Pigford
I'm on prescription!!
Posts: 9953
Joined: 2nd Jan 2006
Location: North Dorset

Re: Gpz Drag bike Project for 2018

#14 PostAuthor: Pigford » Wed Oct 11, 2017 8:23 pm

Is it just the photo, or are those plugs protruding into the head?

Interesting stuff..... keep it coming!
And on the 7th day... Zeds were created!

User avatar
zed1015
Hardcore
Hardcore
Posts: 2377
Joined: 2nd Nov 2005
Location: Somewhere between Scunny and Goole.

Re: Gpz Drag bike Project for 2018

#15 PostAuthor: zed1015 » Wed Oct 11, 2017 10:07 pm

KWACKERZ1 wrote:The other interesting thing is the engine breather pipe routes around to the collector box of the 4-1. I originally thought in case it blows smoke out but it may also to be to reduce crankcase pressure by having a venturi affect created be the exhaust gases.


Yes! a common mod if you are serious about creating negative crankcase pressure and reducing pumping loss.
The exhaust gasses passing the end of the breather pipes will draw out the crankcase pressure just like air passing through a carburettor venturi drawing up fuel through the needle jet.


Return to “Projects”

Who is online

Users browsing this forum: No registered users and 2 guests