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Joined: May 2012
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Rog Offline
Talk Morgan Enthusiast
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Originally Posted by RichardV6
ETA: whatever mine is I would like to see how an increase in caster angle improves the weak self centering action, not helped by low gearing on my car. With power assistance steering is over light anyway.

Richard, I know from experience that the rack adjustment is very sensitive and will affect the self-centering. Maybe something to consider.


Roger
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Originally Posted by IvorMog

Jon, did you mean 3/4 negative camber rather than castor ?

Well spotted, yes camber, I think castor was pretty equal both sides at 5deg so was left alone


Jon M
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Originally Posted by Rog
Originally Posted by RichardV6
ETA: whatever mine is I would like to see how an increase in caster angle improves the weak self centering action, not helped by low gearing on my car. With power assistance steering is over light anyway.

Richard, I know from experience that the rack adjustment is very sensitive and will affect the self-centering. Maybe something to consider.

I find the rack used on two previous Mogs (Jack Knight) self centred much better, had less turns lock to lock and give a tighter turning circle

The current 3.7 is way too slow, despite being PA, and has very little self centering feel


Jon M
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Originally Posted by Rog
Originally Posted by RichardV6
ETA: whatever mine is I would like to see how an increase in caster angle improves the weak self centering action, not helped by low gearing on my car. With power assistance steering is over light anyway.

Richard, I know from experience that the rack adjustment is very sensitive and will affect the self-centering. Maybe something to consider.

Thanks Rog although my car has the symptoms I previously described from new and they haven't changed in 15,000 + miles. Interesting that Jon describes the same above. Seems a higher geared rack would improve matters two fold, by reducing steering input whilst increasing self centering action. The standard electric assistance would comfortably keep steering effort under control at parking speeds.

Last edited by RichardV6; 21/05/21 09:57 PM.

Richard

2018 Roadster 3.7
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Rog, I couldn't describe it better - exactly the same effect and feeling at my 2009 +4. I am definitely pleased with the steering damper!

Peter


Originally Posted by Rog
Just out of curiosity I put a damper on a few weeks back with the goal of reducing the feedback through the wheel. Thought if I didn’t like it I could always stick it in the for sale section smile

I had no shimmy or wobble. The front end was well behaved with its SSL mod and almost ‘normal car’ like. But the roads are so bad these days driving has become more like off-roading. If the roads were perfect I don’t think I would have bothered. Pleased to say driving is a little more relaxed now with some of that unwanted energy gone. I don’t have to grip the wheel so tight in anticipation of the next surprise. Can’t say I noticed much difference at slow speed iether and there is still enough feel for me.

As always, SimonH is the man……
[Linked Image]

And it was reassuring to see the damper came with a strengthened plate, given the potential problems discussed towards the bottom of this page.
[Linked Image]



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I did exactly the same with my steering damper, although it was recommended by somebody who knows his stuff.

Like a Panhard rod, a steering damper has a much greater effect than it should.........


DaveW
'05 Red Roadster S1
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I have to admit that I turn off my power steering some days when I'm in the mood for a proper feeling Mog


Jon M
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Jon, I didn't know you could turn it off. Do you remove the fuse or is there a hidden switch?


JohnV6
2022 CX Plus Four
2025 Renault Scenic Alpine etech "Yvette"
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Originally Posted by John V6
Jon, I didn't know you could turn it off. Do you remove the fuse or is there a hidden switch?

John,
Some of the mid production 3.7's came with a bought in PAS motor that was speed sensitive & could even be fine tuned, yours may have that hence you would be fairly happy with the feel as the assistance reduces with speed

MMC then binned that supplier and changed to a fixed motor, I have tweaked the feeds so that I can switch off the circuit that triggers it, not the main feed as that's 30amp, nice neat illuminated switch on the dash undertray so it can be selected 'on the fly' if you're parking


Jon M
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Thanks mine does the assistance vary with speed


JohnV6
2022 CX Plus Four
2025 Renault Scenic Alpine etech "Yvette"
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