84 GPZ AND 84 LTD1100 head

so the casting is the same and the gpz has under buckets what about cams? it i get the ltd head would i need to change any thing on them to use under buckets?

the combustion chambers are completly different so if your installing the ltd head on the gpz block you may have to change pistons that would be my big concern in order to change from shim over to shim under you will have to use all the gpz componets depending on cam lift you may have to clearance the bucket bores and possibly the head it self.

the 84-85 ltd have the same combustion camber shape and the 83-85 gpz

sorry i thought they were different.

a 84 ltd 1100 is a gpz motor.
for those of us that own one, we have a kick ass kawasaki motor. 102 factory hp.
to use under buckets you would need to change the retainers, that's it.
you can not use kz pistons in a gpz motor. they are different.
the cams are a little different but who uses stock cams?
if anyone wants stock kz cams, just pm me.
i have a ton for just shipping.
schoolteacher is right.
kawasaki put these motors in cruisers as a shakedown test before going all out.

no prob, i always value what you have to say and thankyou for helping so many people on this forum, I

to be perfectly honest i don't think ive ever seen an 84 ltd 1100 or the zn1100 up here or ever had the head off of one this info is good to know if i ever am looking for that style of head. now i have other options not just the late model gpz. they say if you don't learn something new everyday you may as well be dead, it look's as if im good for another one then. thanks for the info.

I have the ltd head and like it better because it is silver. i will end up putting it on a KZ lower end what style pistons should i run? I have a set of 1200 wiseco j pistons(10.5-1) could i use those or do i need something different.

the gpz head is the bigger, bathtub shape chamber , the j is round. the gpz will give u about .5 less compresion ratio when compaired to the j chamber.

will kz pistons work with the bathtub chambers or do you need something special made?

mabye larry or jay can help or john can help with this question what are the combustion chamber size differences between the various styles of z1 kz j and gpz heads.

PLUMMEN wrote:

will kz pistons work with the bathtub chambers or do you need something special made?

you can use kz pistons with a gpz head but you really should fly cut the pistons first for bigger valve relief.
it has been said a hundred times here you will lose compression going that way. almost 2 points.
would make a killer turbo motor though.