gpz1100 head

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04 Jan 2006 15:30 #16012 by KzJim
gpz1100 head was created by KzJim
Will an '82 gpz1100 head fit on the 76 bottom end?.. I know the 84 will...
Naiveté in grownups is often charming, but when coupled with vanity, it is indistinguishable from stupidity.
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04 Jan 2006 15:47 #16014 by bob_z1
Replied by bob_z1 on topic gpz1100 head
yes it will fit,
it will need the same modifactions the 84 head needs to work on the 76 bottom end.

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05 Jan 2006 04:06 #16077 by KzJim
Replied by KzJim on topic gpz1100 head
Thanks bob.... thats what i needed.. dosent the 82 head have the injector port in the head rather than in the throttle body like the 84 unit?
Naiveté in grownups is often charming, but when coupled with vanity, it is indistinguishable from stupidity.
Tis better to remain silent and thought a fool - than to speak up and remove all doubt.
Did ever think that maybe you've been doing it wrong all these years?

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05 Jan 2006 04:27 #16078 by Russ
Replied by Russ on topic gpz1100 head
I'm pretty sure only the 81 GPZ had the injectors in the ports but I haven't got my workshop manual handy to check.

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05 Jan 2006 06:12 #16084 by KzJim
Replied by KzJim on topic gpz1100 head
Bob,
I know the cam gears/chain are diffrent between the kz and the gpz as well as the cam chain tensioner. I can get those parts from APE. What else needs modifing?
Naiveté in grownups is often charming, but when coupled with vanity, it is indistinguishable from stupidity.
Tis better to remain silent and thought a fool - than to speak up and remove all doubt.
Did ever think that maybe you've been doing it wrong all these years?

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05 Jan 2006 10:36 #16114 by APE Jay
Replied by APE Jay on topic gpz1100 head
You will need our cam chain adaptor installed in the head.
kzzone.com/sprockets.html

Jay
www.KZzone.com

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05 Jan 2006 13:20 #16147 by KzJim
Replied by KzJim on topic gpz1100 head
Thanks Jay... i take it you work at ape? if so i have a question for you regarging the porting of the 1100 head. what is the final MM size of the intake port after ape is finished with it. and where can i get larger intake boots?
Naiveté in grownups is often charming, but when coupled with vanity, it is indistinguishable from stupidity.
Tis better to remain silent and thought a fool - than to speak up and remove all doubt.
Did ever think that maybe you've been doing it wrong all these years?

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05 Jan 2006 15:04 #16167 by Duck
Replied by Duck on topic gpz1100 head
do you just have the rest of the 82 1100 engine?
-Duck
100

XXXXXKawPen:the other green meat

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05 Jan 2006 16:09 #16175 by bob_z1
Replied by bob_z1 on topic gpz1100 head
only the 81 GPz1100 had the ports in the head. don't forget going to that head will drop your compression about 2 points I think it is.

`

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05 Jan 2006 17:36 #16192 by KzJim
Replied by KzJim on topic gpz1100 head
Duck... no i have a line on a head... and am just making sure it will work...
Naiveté in grownups is often charming, but when coupled with vanity, it is indistinguishable from stupidity.
Tis better to remain silent and thought a fool - than to speak up and remove all doubt.
Did ever think that maybe you've been doing it wrong all these years?

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05 Jan 2006 17:39 #16196 by steell
Replied by steell on topic gpz1100 head
bob_z1 wrote:

only the 81 GPz1100 had the ports in the head. don't forget going to that head will drop your compression about 2 points I think it is.

`

I thought that only applied to the redesigned head used on the 83 and up GPz1100's?
KD9JUR

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05 Jan 2006 18:06 #16203 by APE Jay
Replied by APE Jay on topic gpz1100 head
No, the J model and early GPZs will also drop the compression with KZ style pistons.

Jay
www.KZzone.com

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