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12-10-2012, 05:50 PM
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Regular Member
Join Date: Nov 2010
Location: Sunshine Coast
Posts: 82
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Hey guys...
So just a question... has anyone had any problems with pinion angles after lowering their AUs? Since putting SLs all round (at least I don't remember the noise being there before) mine has a rhythmic vibration/noise at about 95 - 105 kms/hr in top gear. If you kick it back a gear it goes away and if you take your foot off the gas it also disappears... I am thinking it is a pinion angle issue and the unis are probably also shot as a result... anyone else had this happen? Or any other ideas as to what it could be? I did a search and couldn't find anything. Car is an i6 with about 350 k on it and a rebuilt gearbox (auto). Cheers  |
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12-10-2012, 06:05 PM
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Cocoloko
Join Date: Jul 2008
Location: Perth
Posts: 539
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lowering does effect pinion angle, the au should have the multiple angle bolt points for changing the angle however you may need the correct upper control arms to suit.
In all the vehicles with live axles ive lowered never had an issue with viabration, how ever anything is possiable if your changing the geometry of the original setup. I would say there was a slight issue prior maybe with tail shaft ballance and lowering has made it stand out more.... possiablity
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94 ED XR8 Sprint: SVO alloy heads, FMS F303 cam, AU EECV ECU, T5, on going build. 2010 Territory: family bus. 79 P7 LTD 351. |
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12-10-2012, 06:13 PM
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FF.Com.Au Hardcore
Join Date: Sep 2005
Location: Brisbane
Posts: 3,568
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Pinion angle??
Linear Mode
