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#1304132 - 08/01/2012 17:30 Changing rear subframe bushes with polyurethane.
Ferrarist Offline
Enjoying the ride

Registered: 28/10/2010
Posts: 546
Loc: Bulgaria
Today i have some free time to change my rear hubs to 5 studs(front's ready) and change my badly worn rear subframe bushes with polyurethane.
It's about 5-6 hours job for a man alone, but having all equipment needed.
Decided to remove subframe completely, if bushes is changed with OE ones you may not removed it, but i need an hydraulic press to fit the polyurethane bushes into it's sleeve. I used marine grease for more easy fit but the inner wall of the "sleeve" must be perfectly smooth and greased.
Was very happy to be able to remove both ABS sensors, it takes my 30 mins to do it cause it looks like they were never removed. Greased as well.
Fuel tank removed, it's not a hard job if stand is nearby.
Hoses can be disconnected either from above the trunk or when tank is lowered few inches. Above is the better way.
Old bushes can be hammered out, but a used hydraulic press.
Real pain is to remove the brake pipes from the subframe clips.
You can see how badly worn is one of the old bushes.
I'm happy with the result overall.

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_________________________
20VT - Alfa 156 2.0 - Alfa 156 Mid-Engined RWD - Locost 20VT


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#1304169 - 08/01/2012 19:00 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
griffster Offline
On a journey

Registered: 13/07/2011
Posts: 196
Loc: uk
very considerate work, even if beyond me, i am sure it will help many

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#1304171 - 08/01/2012 19:01 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
Duffy Offline
My life on the forum

Registered: 11/08/2010
Posts: 1668
Loc: Dalgety Bay
Good stuff, it'll be interesting to hear if you notice much difference (Including road noise!)

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#1304175 - 08/01/2012 19:23 Re: Changing rear subframe bushes with polyurethane. [Re: Duffy]
Ferrarist Offline
Enjoying the ride

Registered: 28/10/2010
Posts: 546
Loc: Bulgaria
Normally difference is hardly noticeable, but having in mind that 2 of the bushes was really damaged, small difference maybe can be sensed. Will give my Coupe some hard time tomorrow and will report.
_________________________
20VT - Alfa 156 2.0 - Alfa 156 Mid-Engined RWD - Locost 20VT


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#1304202 - 08/01/2012 21:20 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
Duffy Offline
My life on the forum

Registered: 11/08/2010
Posts: 1668
Loc: Dalgety Bay
I look forward to the report!

smile

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#1304205 - 08/01/2012 21:26 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
technics Offline
I need some sleep

Registered: 22/02/2007
Posts: 3468
Loc: London Tan
x2!
_________________________
Now in the 400+ bhp club!

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#1304726 - 10/01/2012 10:20 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
Ferrarist Offline
Enjoying the ride

Registered: 28/10/2010
Posts: 546
Loc: Bulgaria
Well i'm quite impressed, yesterday i did my simple "movement measure" test with one electrode mounted on the chassis sticked into small plasticine filled cup sticked to the rear subframe.
Car behaves better under heavy braking and when turn sharply into the corner.
Bought GoPro HeroHD few weeks ago, and i'll try to find suitable place to mount it and make some videos.
_________________________
20VT - Alfa 156 2.0 - Alfa 156 Mid-Engined RWD - Locost 20VT


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#1304754 - 10/01/2012 11:18 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
Duffy Offline
My life on the forum

Registered: 11/08/2010
Posts: 1668
Loc: Dalgety Bay
Interesting! Any additional noise/vibration?

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#1304760 - 10/01/2012 11:27 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
Stichl Offline
Making a profit

Registered: 19/12/2005
Posts: 285
Loc: Germany
This modification looks really really good.
Where to buy these bushes?!
Thank you
Juergen


Edited by Stichl (10/01/2012 13:30)
_________________________
20VT coupegrale 4x4

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#1304816 - 10/01/2012 13:58 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
Gunzi Offline
Club Member 189
Forum is my life

Registered: 30/08/2007
Posts: 6837
Loc: Southsea
You can speak with Joe at FCSS - check the traders section.

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#1304825 - 10/01/2012 14:35 Re: Changing rear subframe bushes with polyurethane. [Re: Duffy]
Ferrarist Offline
Enjoying the ride

Registered: 28/10/2010
Posts: 546
Loc: Bulgaria
Originally Posted By: Duffy
Interesting! Any additional noise/vibration?

No, as far as i can sense.....i'm running 225\45\18 tyres.....

Originally Posted By: Stichl
This modification looks really really good.
Where to buy these bushes?!

We made these, had already all front and rear bushes for Coupe(both wishbone bushes-front and rear), however i want to complete the final test of the rear subframe bushes with our trackday Alfa 145 this 22th january when we have 3 hours endurance race, in order to complete almost 1 year with this bushes, before they can be offered for sale. That's how we proceed with every new poly bush we made.
_________________________
20VT - Alfa 156 2.0 - Alfa 156 Mid-Engined RWD - Locost 20VT


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#1372733 - 30/08/2012 11:51 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
Freddan72 Offline
Competition Level

Registered: 16/12/2005
Posts: 2194
Loc: Göteborg, Sweden
Have you finished the testing?

How much for a rear beam set?

Do you also have a set for the front wishbones?
_________________________
Coupé Fiat 20V Turbo Plus 1999, T19 Mitsubishi turbo
https://youtu.be/O9qrLj3Ap00 Now FCP Stage3!

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#1372758 - 30/08/2012 13:10 Re: Changing rear subframe bushes with polyurethane. [Re: Freddan72]
dlongstaff Offline
I need some sleep

Registered: 18/03/2010
Posts: 2722
Loc: LONDON
Originally Posted By: Freddan72
Have you finished the testing?

How much for a rear beam set?

Do you also have a set for the front wishbones?

Although ended Here sure there will be more. Or pm him.

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#1372762 - 30/08/2012 13:16 Re: Changing rear subframe bushes with polyurethane. [Re: dlongstaff]
Freddan72 Offline
Competition Level

Registered: 16/12/2005
Posts: 2194
Loc: Göteborg, Sweden
Thank you for the link!! I will send him a pm.
_________________________
Coupé Fiat 20V Turbo Plus 1999, T19 Mitsubishi turbo
https://youtu.be/O9qrLj3Ap00 Now FCP Stage3!

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#1372851 - 30/08/2012 18:20 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
volumex Offline
My job on the forum

Registered: 02/12/2006
Posts: 1352
Loc: stockport
going to be doing this my self in the very near future..... the pics have given me a lot more confidence in doing the job

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#1598815 - 19/04/2017 07:40 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
Genic Offline
Club member 1710
My life on the forum

Registered: 06/01/2006
Posts: 1615
Loc: Oswestry
HI

just done the bushes in my subframe , and looking at the pictures , there is no washer being fitted between the top of the bush and the frame of the car, is that right? I only ask as there was one on the OE bush.

thanks

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#1598910 - 20/04/2017 13:40 Re: Changing rear subframe bushes with polyurethane. [Re: Genic]
Ferrarist Offline
Enjoying the ride

Registered: 28/10/2010
Posts: 546
Loc: Bulgaria
Originally Posted By Genic
HI

just done the bushes in my subframe , and looking at the pictures , there is no washer being fitted between the top of the bush and the frame of the car, is that right? I only ask as there was one on the OE bush.

thanks

Yes, no washers.
_________________________
20VT - Alfa 156 2.0 - Alfa 156 Mid-Engined RWD - Locost 20VT


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#1598927 - 20/04/2017 16:53 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
Genic Offline
Club member 1710
My life on the forum

Registered: 06/01/2006
Posts: 1615
Loc: Oswestry
Thanks mate smile

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#1625940 - 11/10/2018 14:53 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
MIB Offline
Club member 1579
Reaping the fruits

Registered: 27/02/2006
Posts: 88
Loc: Newbury
Just received a set of these bushes.
I guess that a hydraulic press is required to insert them into the subframe?
_________________________

Bog standard!

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#1625942 - 11/10/2018 15:43 Re: Changing rear subframe bushes with polyurethane. [Re: Ferrarist]
MIB Offline
Club member 1579
Reaping the fruits

Registered: 27/02/2006
Posts: 88
Loc: Newbury
Sorry, scratch that.
It states in the first post: 'but i need an hydraulic press to fit the polyurethane bushes into it's sleeve'.
_________________________

Bog standard!

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