Sounds good, You gotta eliminate all the possible causes.
Raising the box further will ultimately reduce the angle of the tailshaft itself and help prevent it hitting the tunnel later on when you lower the ute further.

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i dont know what u mean by that... raising the box is going to make everything closer to the top of the tunnel..

but yeah eliminating possible causes is what im trying to do

thanks for the help so far

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If you were only to correct the pinion angle itself. ( to the angle I believe is required )The rear of the tailshaft would be high in the tunnel.
Lowering the ute would make it even higher in the tunnel. During suspension travel, it would get even closer.

yep im with you now...

hopefully it will put a stop to the vibration also

well guys....

after raising the gearbox a little more... and replacing the worn series 2 box with a reco series 4 rx7 gearbox... the problem improved but did not go away...

after some advice from a bloke with a rotorolla i found that my tailshaft was too short... it had 40mm play in it rather than the 25mm i needed.... with the new tailshaft having the extra length into the gearbox, it has taken up the bit of slop it used to have and rid my ute of the vibration problem...

wish i had noticed that earlier...
and also wish the bloody tailshaft guy would have seen that when it was on his hoist...

anyway im not sure who's stuff up it was becuase i gave him the measurement for the original tailshaft but dont know if that measurement was wrong or the shaft itself becuase i didnt bother to measure it when i got it back (a lesson for us all)

anyway not to worry its all fixed now...
time to get stuck into it and finish it off and have the engineer do his thing...

thanks again to all those who helped with this problem... your help is very much appreciated and i hope i can return the favour......

looking like it could get a first distance test run down the ocean rd in a few weeks ???? what do you reckon ange ???

VERY VERY tempting...

ill see how i go with progress over the next few weeks....

cmon ange... you can do it.. we are all waiting for a rotor ute to join the fold... may inspire others of us....
personally i still love the f20c from the s2000.... just still too expensive for a front cut....

good work and im sure it will all be worth it