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Thread: Powerflex engine mount bushes

  1. #1
    Regular Member Caveman_nige's Avatar
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    Vehicle : Vectra and a Signum

    Trim : top of the line in both

    Engine : Z18XE,Z19DTH,Z20NET

    Year : 2006

    Question Powerflex engine mount bushes

    I have read various posts about people wanting to change engine mounts, some about people wanting to uprate them and one about somebody who actually made some. None about anybody fitting the Powerflex bushes.

    Has anybody on here ever purchased and fitted the front and rear lower engine mounts to their vec/signum part number PFF80-1220 (2 in pack) . I can see they are not that expensive, cheaper than a full set of Powerflex ARBs in fact. I am wondering if its to fiddly and knuckle skinning a job to bother with at home, complexity/difficulty and estimated time to do the job type info would be much appreciated..

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    Regular Member Vectra_C_Chris's Avatar
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    I swear the last time I looked at the powerflex website they didn't actually offer any mounts for the Vec C.

    Now that they do, I'll buy!

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    In my opinion, if your current mounts aren't worn then it's not worth it. Unlike suspension bushes, reducing movement in the bush isn't hugely worthwhile, and even Powerflex's website says these engine mounts will increase engine vibration somewhat.

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    Regular Member Caveman_nige's Avatar
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    Vehicle : Vectra and a Signum

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    Engine : Z18XE,Z19DTH,Z20NET

    Year : 2006

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    mine are definately worn out so replacements are required.. its just case of whether i use another set of GM bushes or some uprated bushes from Powerflex especially when i consider forthcoming engine mods and the extra power.. If my current ones are worn with bhp in the high 200s a replacement set won't last long with what is coming..

  5. #5
    Regular Member Caveman_nige's Avatar
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    Year : 2006

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    btw there are two different types available.. the type listed above is for the yellow version, these are harder and more of a track type bush. The more suitable one to a daily driver car is the red type, a slightly different part number (TBC).

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    Regular Member Caveman_nige's Avatar
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    Vehicle : Vectra and a Signum

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    just by way of an update. I took the the front lower mount off laid it on its side and liberally sprayed silicone lube spray around the circumference of the rubber bush and left it for ten minutes. I then put it back on the car and the horrible creak as gone.

    tools needs are a E18 torx socket and an 18mm spanner to do this..

    I have the replacement powerflex bushes but do not see how they will fit so will seek further advise on them.

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