The Postmans been..!!!!!

P

plowy

Active member
And i can't wait till this little lot is sitting pretty in it's new home, life will be a bit more interesting i'm sure. Croft track day in a few weeks hopefully all done before that in time for it to settle... :thumbsup:

Might i add if any other UK member is thinking of this mod then at the moment Larkspeed are doing this full bush kit for £117.50 delivered, a good deal i would say.. :wink:

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20ducks said:
I'm getting moist. :thumbsup:
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Change your diaper.

But really, I'm a little embarrassed to ask this, but I'm not a mechanical guy. What are these bushes for? What do they do? :idunno:
 
More to the point - which phone do you answer when it rings? :P
 
The normal/standard bushes in your car are by comparison 'soft', this means that under load from cornering forces they flex and move around making the car wallow about, as time goes by and mileage increases they become worse. The polly bushes are made from a firmer/stiffer material therefore not allowing your suspension to 'flex' under load therefore the car is alot sharper in the handling deparment and is also able to retain the original geometry settings that are set. There are other people on the forum who are far more clued up and may correct me but i think i've covered the theory of it... :thumbsup:
 
If I remember rightly the OEM bushes rate 47 on the Durometer Shore scale which is softer than tyre rubber and Powerflex bushes are 78. I found Powerflex to be the best compromise between standard and Nylon bushes. I bought nylon front wishbone bushes from TMS originally and the tolerances were so tight that the wishbones seized in their mounts once they started to expand through heat build up. The limiter kit in the picture is a good idea too, it stops the rear trailing arm moving from side to side. I'm look forward to hearing the results!
 
rabman5 said:
20ducks said:
I'm getting moist. :thumbsup:
Click to expand...

Change your diaper.

But really, I'm a little embarrassed to ask this, but I'm not a mechanical guy. What are these bushes for? What do they do? :idunno:
Click to expand...


I had a foley catheter, no diaper (nappy to our Brit friends) ....nice kinda. Never had the urge or have to get up in the middle of the night just to piss on the floor.
 
Curtis said:
If I remember rightly the OEM bushes rate 47 on the Durometer Shore scale which is softer than tyre rubber and Powerflex bushes are 78. I found Powerflex to be the best compromise between standard and Nylon bushes. I bought nylon front wishbone bushes from TMS originally and the tolerances were so tight that the wishbones seized in their mounts once they started to expand through heat build up. The limiter kit in the picture is a good idea too, it stops the rear trailing arm moving from side to side. I'm look forward to hearing the results!
Click to expand...

Do the harder bushes affect the general comfort/ride?
 
rabman5 said:
Curtis said:
If I remember rightly the OEM bushes rate 47 on the Durometer Shore scale which is softer than tyre rubber and Powerflex bushes are 78. I found Powerflex to be the best compromise between standard and Nylon bushes. I bought nylon front wishbone bushes from TMS originally and the tolerances were so tight that the wishbones seized in their mounts once they started to expand through heat build up. The limiter kit in the picture is a good idea too, it stops the rear trailing arm moving from side to side. I'm look forward to hearing the results!
Click to expand...

Do the harder bushes affect the general comfort/ride?
Click to expand...

Those particular bushes don't. They are fitted in pivot points rather than places where suspension compression acts directly on the bodyshell. Take the front wishbone bushes for example. The wishbone is mounted to the car in three positions. Two are already bolted directly into metal without any rubber bush which would obviously be more likely to transmit shock and vibration than the rubber bush that's being upgraded but they don't. The bush in question that's being replaced is the rear support and pivot for the front wishbone. The wishbone simply pivots within it. The problem with the OEM bush is that the rubber is so soft and susceptible to wear that the wishbone tends to move around while driving and makes the handling sloppy and the geometry variable. The same rules apply to the rear trailing arm bushes.
 
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