wilkingj
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| posted on 14/4/06 at 06:58 PM |
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Caster Angle
Today, I finally got the Viento to stand on its own four feet.
I have been checking the steering and suspension geometry.
I have a Luego factory built chassis, and it should give me approx 3 degrees Caster angle.
I have set the bottom wishbone as far forward as I can, and the top one as far back as I can with the spacer washers.
When I measure the caster angle, I get + 5 degrees on Both sides. Well at least they are both the same.
Reading the bumpf that came with the gauge, it should be - Negative, not + Posative degrees, as + pos is leaning forwards.
I have read and re read the destructions, and cannot understand what might be wrong, if anything at all.
Its a Longacre Gauge with three bubble gauges in it.
Camber was a doddle to set up with it.
What does the team think?.
1. The point of a journey is not to arrive.
2. Never take life seriously. Nobody gets out alive anyway.
Best Regards
Geoff
http://www.v8viento.co.uk
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emsfactory
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| posted on 14/4/06 at 07:12 PM |
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When you look at the balljoints from above, is the top one behind ( closer to the rear of the car ) the bottom one?
If yes and you get five degrees your car is fine and you have got confused with your '+'s and '-'s.
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nitram38
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| posted on 14/4/06 at 07:16 PM |
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My car (own design) is only 3 degrees, but self centering is a bit of a problem. Racecars normally have 3 degrees negative and road cars between 5 and
6 degrees.
I would leave yours at 5 until after sva to ensure that yours works!
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zilspeed
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| posted on 14/4/06 at 08:55 PM |
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Have you used the wishbones with the offset of the balljoint bush set to the rear ?
i.e. - are they upside down or to the wrong sides ?
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wilkingj
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| posted on 14/4/06 at 09:38 PM |
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I was careful when I fitted the top wishbone, and had to measure the legs, as it was very close (the difference in length on one side). I am
absolutely sure I have them on the right way round / up.
Mind you I could still be wrong   
But I dont think so.
I will check again tomnorrow, as I am over the locl sports and social club.. Free Internet in here!!.
I appreciate the thoughts.. as I cant see whats wrong. Oh definately dont have the + / - wrong, its on the gauge, and I can read. well almost 
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