suspension bush upgrade.
suspension bush upgrade.
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Discussion

gromit wedge

Original Poster:

94 posts

198 months

Wednesday 21st July 2010
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Hi guys. Was looking at upgrading the rotten rubber bushes on my 350i for poly ones. Does anyone know if you can get this as a kit or would I have to just order lots of different bushes for seperate components.

What are the bushes from (such as cortina/granada etc.

barrington

1,325 posts

261 months

Wednesday 21st July 2010
quotequote all
a kit for the rear can be bought from steve heath

ed_crouch

1,169 posts

272 months

Wednesday 21st July 2010
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Dont be too keen to ditch rubber bushes. Poly bushes are great and all, but they do make the ride harsher on bumpy roads - you might not want this. Yep, you can buy harder and softer grades of polyurethane, and if you can get the softest set available, I would do that. Handling improvements...


...well, if you're racing or sprinting on supersmooth circuits, you'll probably lap a bit quicker with all the wheels sitting on the tarmac exactly as they should, but I very much doubt you'll be able to tell a difference for road use.

The marginal difference in handling between new poly bushes and new rubber bushes will be utterly dwarfed by the difference you'll feel between new rubber bushes and knackered rubber bushes.


ROOODBOY

4,652 posts

225 months

Wednesday 21st July 2010
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I'd agree with that, but another advantage of most poly bushes is that they don't need pressing in.

The front bushes are Mk4 / Mk5 Cortina, except perhaps the roll bar mounts on some with a thicker front anti roll bar.

I'm sure I've seen them as a kit on Ebay, can't see them now but if you open the link below and scroll down there are applications and part numbers for the Supaflex bushes.

http://cgi.ebay.co.uk/TVR-Wedge-Classic-SUPERFLEX-...

Edit: Found it...

http://cgi.ebay.co.uk/MK4-MK5-Ford-Cortina-Front-B...

Edited by ROOODBOY on Wednesday 21st July 20:43

SEvans

1,191 posts

297 months

Thursday 22nd July 2010
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Have to agree with Ed. I was going to fit poly bushes a couple of years ago but decided against it. There is also the difference that the rubber bushes are bonded to the metal and poly obviously aren't. Cheers Steve

gromit wedge

Original Poster:

94 posts

198 months

Thursday 22nd July 2010
quotequote all
Thanks for the info guys. It looks like I will replace the bushes with more rubber ones as the ride is already pretty stiff and I don't plan to take it on the track. I don't think my back can take a harder ride and the roads are pretty crap so I will keep it standard.

CHJ

785 posts

243 months

Thursday 22nd July 2010
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I think it will depend on the whole set-up of the car. I fully polybushed my 350 when replacing the rear dampers (Gaz) last summer, but also then had the geometry and ride fully balanced on corner weight scales. Massive difference in handling and I think the ride is less firm than my wifes standard shopping car. Can now take an S bend on local main road at 60ish whereas before 45 was a bit squeaky-bum time.

Chris


Big Daft Lad

1,387 posts

217 months

Monday 26th July 2010
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Just a work of warning regarding the Flo-flex bush kit on e-bay.

I got one of these last year for my 200 and the donut bushes for the tie bars were no where near the right diameter. The steel insert wouldn't go on the bar and hole in the centre of the donit was huge. To be fair they didn't quibble when I wanted to sent it bad so maybe it was just a fault on mine.

Big Daft Lad

1,387 posts

217 months

Monday 26th July 2010
quotequote all
Just a work of warning regarding the Flo-flex bush kit on e-bay.

I got one of these last year for my 200 and the donut bushes for the tie bars were no where near the right diameter. The steel insert wouldn't go on the bar and hole in the centre of the donit was huge. To be fair they didn't quibble when I wanted to sent it bad so maybe it was just a fault on mine.