ok so I have had a setback and progress.... I managed to find someone local to get a balancer off. Got it back home and the mechanic said there are hairilne cracks in the rubber so not to use it....$50 down the drain... come with a powersteering pump though cause he threw that in so I might be able to sell that to get some money back. Went and bought a removal tool as I didnt want to use a bearing puller like most people do and destroy the rings and set to stripping down to get to it. Back to the store to get some longer bolts. M6 x 1.0 x 70mm are the best to use.
Done some ringing around after pulling mine off and identifying that the bonding of the rubber between the timing ring and the main assembly has faid. $180 from a local nissan wrecker for a second hand part... not sure on whether this would be wise to get another 20 yr old part. New balancers priced from $480-580. Then I found a company in sydney that specialises in reconditioning balancers. They strip them down and rebuild them. Incl freight from bris to wagga wagga and back again it should only set me back approx $300, which is better on both sides as at least I know it will be a like new part but for alot less. Now just have to wait a week or so to get it back. well time to take a few things off around the engine bay, paint and refit.