I have ordered the following powerflex bushes for my d5 s60
FRONT WISHBONE FRONT BUSH X 2
FRONT LOWER ENGINE TIE BAR LARGE BUSH X 1
FRONT LOWER ENGINE MOUNT SMALL BUSH X 1
UPPER ENGINE MOUNT LARGE BUSH X 1
UPPER ENGINE MOUNT SMALL BUSH X 1
i have fitted all the bushes apart from right wishbone and front upper small mount. i can tell the difference alot. however the vibrations are awful. the wishbones didnt cause much difference (in vibration). the lower transmision/engine/subframe mount (large and small) and upper large mount i changed in the same go, and now the vibrations are imbearable. the whole car feels like a plane when it landing. is this normal when new? how long does it take to 'settle' in? the vibrations are almost gone at 1500 revs onwards.
I just did the control arms, increase in vibration but I can see how the engine mounts would as to the earlier post they a very firm. For noise and vibration points I would stay with stock stuff, for suspension pivot points I would go with urethane. I have not done the back so I can't speak to it but I was impressed with the difference the front made.
Like someone already said on this forum, going with powerflex would not increase vibration at all, YEA right. i think it was SpikedS60 having a similar problem and he got advice to put aftermarket bushings, well you sir prove the point that in some things, you just can't beet oem. I knew from the start all those bushing would cause massive vibration, i have only 1 in my car and it changed it noticeably for the worst.
It's the upper bushings which cause the vibrations. You could opt for going back to stock.
Suspension should hardly make a difference except better steering feel. Lower engine mount with powerflex bushings also doesn't change engine vibration that much
I said they did not increase vibration at all within the application I was speaking of, which was the front control arm bushing. If you use hard bushings to isolate vibration it will not work. If you use them to reduce flex on pivot points it will work.
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