[Healeys] Steering question

[Oudesluys]

Although toe out/in plays a role in this road behaviour, it is fairly 
limited. In most of the cars I have had, I preferred a zero to a slight 
toe out with negative camber and zero to slight toe in with positive 
camber. Castor and camber however are more important but usually limited 
in adjusting if adjustable at all. If possible adjust to slight negative 
camber. Make sure left and right readings are the same.
Also the alignment and tightness of the rear axle suspension should not 
be overlooked and last but certainly not least even tire pressures and 
tire condition have a major influence.
So check your tires and their pressures, tighten up all the nuts and 
bolts, check all bushes and joints and have the complete 4-wheel 
alignment checked if the problem still persists.
Kees Oudesluijs

Op 29-12-2015 om 8:02 schreef Len and/or Marge Hartnett:
> Michael:  I recently switched from Vredesteins to Michelin XAS's.  I 
> am experiencing the same situation.  The only thing I can do is guess 
> because I don't know the tire construction and science.   The XAS has 
> a wider sidewall, 90 aspect ratio I think, about 4 inches wide, versus 
> the Vredestein 70 aspect ratio, about 3 1/2 inches wide.  Is this 
> extra width allowing for extra movement of the tire from side to 
> side?  I don't know.
> As I say, I am only guessing but I have experienced the sensation 
> before.  When I was stationed in France, I had a Renault Dauphine.The 
> original tires were bias ply tires.  When you turned the steering 
> wheel, the car turned instantly.  The old tires were replaced 
> with XASs. Then, when I turned the steering wheel, there was 
> hesitation.  It was as if the tires were tracking into the turn but 
> the body of the car didn't and had to catch up. With nothing else 
> changed, the answer, to me, was a more flexible tire.
> One, or more, of our experts may provide the answer as to whether or 
> not the wider XAS sidewalls are allowing more tire/body motion.
> One other note, the situation seems to be aggrivated by grooved highways.
> (The Other) Len
> Fairfield, CA, USA
> 1967 AH 3000 MkIII, HBJ8L39031
>
>
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