Ford Fiesta ST
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#563276 - 27/06/19 08:15 AM Engine mounts?
jcd06 Offline
Four stroke guerrilla

Registered: 23/10/15
Posts: 32
Loc: Belgium
Recently I had a Quaife helical diff mounted to my ST150.
I'm very happy with it. It really transforms the car's handling a lot.

I noticed a strange behaviour that perhaps wasn't there before so I would like to know your idea.
It's probably not caused by the diff but it just shows up now because I've been "testing" the car which is different than the normal "commuting" mode 🙂

When I shift gears, usually I gradually lift the throttle briefly before depressing the clutch pedal.
By doing so, the load change to the transmission components is minimal and the behaviour does not occur.
Buy if I depress the clutch pedal simultaneously with the throttle pedal lifting causing a more prompt load change, the front of the car shows a slight and brief jerky shift to the left.
It also happens when I engage the clutch in a less friendly way.
It doesn't do this when I suddenly brake, what makes me think it has nothing to do with the suspension parts (sheared or worn rubbers, loose bolts).
Something with the engine mounts perhaps or the subframe?
Any ideas are welcome.
Cheers.
_________________________
The amateur is a fool. Ignorant that something is impossible, he will succeed realizing it.
Paul Godley 2ZE

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#563281 - 04/07/19 10:41 AM Re: Engine mounts? [Re: jcd06]
jcd06 Offline
Four stroke guerrilla

Registered: 23/10/15
Posts: 32
Loc: Belgium
Meanwhile I was suspecting the front control arm rear bushes.
I found Superpro has a "Steering-Pull Correction Kit".
link
This might even been better.
Is there anyone who has experience with these offset bushes?
_________________________
The amateur is a fool. Ignorant that something is impossible, he will succeed realizing it.
Paul Godley 2ZE

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