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Howling/vibrations after 4" suspension lift

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13 Jul 2016 09:00 #169972 by Busta
Keep your eyes peeled for an Auto VVT being broken. The transfer box on the autos is 30% lower geared than the manuals, and spot on for 31s. Rare though!

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13 Jul 2016 15:50 #169985 by MattB12
Replied by MattB12 on topic Howling/vibrations after 4" suspension lift
Yes this has been on my mind too, an auto VVT box. Haven't seen one come up though.

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13 Jul 2016 15:54 #169987 by MattB12
Replied by MattB12 on topic Howling/vibrations after 4" suspension lift
I've been out and disconnected the rear prop at the diff end. There is approx 30mm clearance with the prop fully compressed, so I was thinking that a 25mm spacer would do nicely.

But, that only leaves about 5mm play, i'm not sure if this matters though? I don't want it to be forced back in towards the transfer box, if that's possible?

Maybe an 18mm would be better. I think it only needs to push the other end of the prop back in a bit towards the t-box.

What do you think?

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13 Jul 2016 16:15 - 13 Jul 2016 16:20 #169988 by jackonlyjack
not sure you can get 18mm
i would go with a 20mm ;)

Jack

just looked on B4V stand corrected no 20
i'm sure someone will be along to recommend the 18
Last edit: 13 Jul 2016 16:20 by jackonlyjack. Reason: to eat my words lol

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17 Jul 2016 21:23 - 17 Jul 2016 21:37 #170165 by MattB12
Replied by MattB12 on topic Howling/vibrations after 4" suspension lift
Just an update. I fitted an 18mm spacer to the diff end of the rear prop and the droning/vibrations I was getting have disappeared. I've covered a fair few miles this weekend too, I think this size spacer has been enough to compress the prop a bit. I'll see how it goes when I get down some lanes soon.

On a side note, i've fitted the 31's. I'd built myself up for a very sluggish drive but to be honest I haven't really noticed a great difference. It's still responsive and copes well in my opinion, I haven't had a chance to use low yet though.

Just got to trim the arches now as catching then i'll be ready for some proper fun :cheer:
Last edit: 17 Jul 2016 21:37 by MattB12.

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